Biggest changePlease refer to the section entitled “Disclosure Regarding Forward-Looking Statements” at the beginning of this annual report on Form 10-K for a discussion of the uncertainties, risks and assumptions associated with these statements. 37 2024 Highlights • Took delivery of our first four newly manufactured Boeing 737 MAX aircraft and inducted them into service with promising early performance • Total operating revenue of $2.5 billion, up 0.1 percent year-over-year • Record total average ancillary fare of $75.83 per passenger, up 4.0 percent from 2023 • Average third party products fare was $8.48 per passenger, up 29.1 percent year-over-year • Restored utilization to near 2019 levels during the peak December 2024 holiday period • Ancillary revenue increased as a result of progress on commercial initiatives such as Allegiant Extra, third party travel insurance and restoration of a third bundle of ancillary products • Recorded $80.7 million in fixed fee revenue, up 17.7 percent compared to the prior year's Company record breaking high • $134.7 million in total co-brand credit card remuneration, up 12.7 percent from the prior year • As of December 31, 2024, we had approximately 545,000 total Allegiant Allways Rewards Visa cardholders • Ended 2024 with approximately 18 million total active Allways Rewards members • In April 2024, ratified a new five-year agreement with the Transport Workers Union of America, AFL-CIO Local 577, representing Allegiant's flight attendants ◦ Agreement includes wage increases, certain quality-of-life improvements and a ratification bonus • Published the 2023 Sustainability Report reaffirming the Company's sustainability goals • Ranked third on the American Customer Satisfaction Index for Airlines, moving up from seventh in 2023 • Named best low-cost carrier in North America by Skytrax, the international air transport rating organization • Named the number one Best Airline Credit Card for the sixth consecutive year and Best Frequent Flyer program in USA TODAY's 10Best 2024 Readers' Choice Awards • Ranked number 4 among major US carriers in the Wall Street Journal's "The Best and Worst Airlines of 2024" • Announced 44 new nonstop routes during the fourth quarter, tying the record for the largest expansion in Company history, including three new cities, of which 39 routes had no prior nonstop service • Gregory Anderson assumed the role of chief executive officer and president in September 2024 • Completed our first full year of operations of Sunseeker Resort and engaged experienced hospitality advisors to pursue strategic alternatives with potential partners 38 AIRCRAFT Operating Fleet The following table sets forth the number and type of aircraft in service and operated by us as of the dates indicated.
Biggest changePlease refer to the section entitled “Disclosure Regarding Forward-Looking Statements” at the beginning of this annual report on Form 10-K for a discussion of the uncertainties, risks and assumptions associated with these statements. 39 2025 Highlights • In January 2026, announced a definitive merger agreement under which Allegiant plans to acquire Sun Country Airlines • Record total airline-only operating revenue of $2.5 billion, up 4.3 percent year-over-year • Achieved controllable completion of 99.9% for the year • Airline-only operating CASM, excluding fuel and special charges of 8.04 cents, down 6.1 percent as compared with full-year 2024, on capacity growth of 12.6 percent • During the year, expanded the network by announcing 54 new routes, including service to eight new cities: Atlantic City (NJ), Burbank (CA), Columbia (MO), Fort Myers (FL), Huntsville (AL), La Crosse (WI), Philadelphia (PA), and Trenton (NJ) • Ranked 2nd best airline among major US carriers in the Wall Street Journal's "The Best and Worst Airlines of 2025" • The only US Airline named by Newsweek as one of America's Most Loved Brands 2025 • Named Best Airline Credit Card by USA TODAY's Readers' Choice Awards for the seventh consecutive year and Best Frequent Flyer Program by USA TODAY's Readers' Choice Awards for the second consecutive year • $139.6 million in total co-brand credit card remuneration received from Bank of America, up 3.6 percent from the prior year • Ended the year with 21 million total active Allways Rewards members • Completed the sale of Sunseeker Resort on September 4, 2025 • Published the company's fourth annual sustainability report AIRCRAFT Operating Fleet The following table sets forth the number and type of aircraft in service and operated by us as of the dates indicated.
“ Average fuel cost per gallon ” represents total aircraft fuel expense for our total system or scheduled service (as applicable) divided by the total number of fuel gallons consumed in our total system or scheduled service. “ Average stage length ” represents the average number of miles flown per flight.
“ Average fuel cost per gallon ” represents total aircraft fuel expense for our total system or scheduled service (as applicable) divided by the total number of fuel gallons consumed in our total system or scheduled service. 47 “ Average stage length ” represents the average number of miles flown per flight.
We believe we have more than adequate liquidity resources through our cash, cash equivalent and short term investment balances, financing commitments, our undrawn capacity under existing credit facilities, operating cash flows and anticipated access to liquidity, to meet our current contractual obligations and remain in compliance with the debt covenants in our existing financing agreements for the next 12 months.
We believe we have more than adequate liquidity resources through our cash, cash equivalents and short term investment balances, financing commitments, our undrawn capacity under existing credit facilities, operating cash flows and anticipated access to liquidity, to meet our current contractual obligations and remain in compliance with the debt covenants in our existing financing agreements for the next 12 months.
Unless otherwise expressly stated, for discussion and analysis of 2023 and a comparison of our 2023 results to 2022 results, please refer to our Annual Report on Form 10-K for the year ended December 31, 2023, under Part II Item 7, Management's Discussion and Analysis of Financial Condition and Results of Operations.
Unless otherwise expressly stated, for discussion and analysis of 2024 and a comparison of our 2024 results to 2023 results, please refer to our Annual Report on Form 10-K for the year ended December 31, 2024, under Part II Item 7, Management's Discussion and Analysis of Financial Condition and Results of Operations.
These amounts are not reflected on our balance sheet. 49 CRITICAL ACCOUNTING POLICIES AND ESTIMATES The discussion and analysis of our financial condition and results of operations are based on our consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States.
These amounts are not reflected on our balance sheet. 51 CRITICAL ACCOUNTING POLICIES AND ESTIMATES The discussion and analysis of our financial condition and results of operations are based on our consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States.
Also discussed is our financial position as of December 31, 2024 and 2023. Investors should read this discussion in conjunction with our consolidated financial statements, including the notes thereto, appearing elsewhere in this annual report. This discussion and analysis contains forward-looking statements.
Also discussed is our financial position as of December 31, 2025 and 2024. Investors should read this discussion in conjunction with our consolidated financial statements, including the notes thereto, appearing elsewhere in this annual report. This discussion and analysis contains forward-looking statements.
Other expense includes travel and training expenses for crews and ground personnel, facility lease expenses, professional fees, personal property taxes, information technology consulting, other expenses for Sunseeker Resort, the cost of passenger liability insurance, aircraft hull insurance and all other insurance policies, excluding employee welfare insurance.
Other expense includes travel and training expenses for crews and ground personnel, facility lease expenses, professional fees, personal property taxes, information technology consulting, the cost of passenger liability insurance, aircraft hull insurance and all other insurance policies, excluding employee welfare insurance.
Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations The following discussion and analysis presents factors that had a material effect on our results of operations during the years ended December 31, 2024 and 2023.
Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations The following discussion and analysis presents factors that had a material effect on our results of operations during the years ended December 31, 2025 and 2024.
Network Expansion We have identified more than 1,400 incremental routes as opportunities for future network growth, with approximately 77 percent of these additional routes having no current nonstop service. Our ability to add significant numbers of new routes has been constrained in recent years by flight crew staffing, high fuel costs, economic conditions and other factors.
Network Expansion We have identified more than 1,400 incremental routes as opportunities for future network growth, with approximately 75 percent of these additional routes having no current nonstop service. Our ability to add significant numbers of new routes has been constrained in recent years by aircraft availability, flight crew staffing, high fuel costs, economic conditions and other factors.
Aircraft fuel expense includes the cost of aircraft fuel, fuel taxes, into plane fees and airport fuel flowage, storage or through-put fees. Station operations expense includes the fees charged by airports for the use or lease of airport facilities and fees charged by third party vendors for ground handling services, commissary expenses, and other related services.
Aircraft fuel expense includes the cost of aircraft fuel, fuel taxes, into plane fees and airport fuel flowage, storage or throughput fees. Station operations expense includes the fees charged by airports for the use or lease of airport facilities and fees charged by third party vendors for ground handling services, commissary expenses, and other related services.
Also included are fees for repairs performed by third party vendors. Sales and marketing expense includes all advertising, promotional expenses, sponsorships, travel agent commissions, debit and credit card processing fees associated with the sale of scheduled service and air-related ancillary charges, costs related to advertising and marketing for Sunseeker Resort, and credit card processing fees for Resort bookings.
Also included are fees for repairs performed by third party vendors. Sales and marketing expense includes all advertising, promotional expenses, sponsorships, travel agent commissions, debit and credit card processing fees associated with the sale of scheduled service and air-related ancillary charges.
Additionally, this expense includes gain and loss on disposals of aircraft and other equipment, and all other administrative and operational overhead expenses not included in other line items above.
Additionally, this expense includes gains and losses on disposals of aircraft and other equipment, and all other administrative and operational overhead expenses not included in other line items above.
“Total passenger revenue per ASM” or “TRASM” represents total passenger revenue divided by scheduled service available seat miles. 47 LIQUIDITY AND CAPITAL RESOURCES Current liquidity Cash, cash equivalents and investment securities (short-term and long-term) decreased to $832.9 million at December 31, 2024, from $870.7 million at December 31, 2023. Investment securities represent highly liquid marketable securities which are available-for-sale.
“Total passenger revenue per ASM” or “TRASM” represents total passenger revenue divided by scheduled service available seat miles. 48 LIQUIDITY AND CAPITAL RESOURCES Current liquidity Cash, cash equivalents and investment securities (short-term and long-term) increased to $838.5 million at December 31, 2025, from $832.9 million at December 31, 2024. Investment securities represent highly liquid marketable securities which are available-for-sale.
As of December 31, 2024, we are party to forward purchase agreements for 46 aircraft with nine deliveries expected in 2025, approximately 14 in 2026 and the remainder in 2027. The timing of these deliveries is based on management's best estimates and differs from the contract in place. Refer to Part I - Item 2 .
As of December 31, 2025, we are party to forward purchase agreements for 34 aircraft with 11 deliveries expected in 2026, 15 in 2027, and the remainder in 2028. The timing of these deliveries is based on management's best estimates and differs from the contract in place. Refer to Part I - Item 2.
For the year ended December 31, 2024, we recorded estimated pilot retention bonus accruals of $91.5 million bringing the total accrual to $146.1 million at year end, including the related payroll taxes. The bonus will be paid to all pilots remaining employed with us after ratification of a new collective bargaining agreement.
For the year ended December 31, 2025, we recorded estimated pilot retention bonus accruals of $89.8 million bringing the total accrual to $235.9 million at year end, including the related payroll taxes. The bonus will be paid to all pilots remaining employed with us after ratification of a new collective bargaining agreement.
For the Year Ended December 31, Airline operating statistics (unaudited): 2024 2023 2022 Total system statistics: Passengers 16,982,836 17,342,236 16,796,544 Available seat miles (ASMs) (thousands) 18,984,711 18,772,110 18,419,045 Airline operating expense per ASM (CASM) (cents) 12.11 ¢ 12.02 ¢ 11.75 ¢ Fuel expense per ASM (cents) 3.31 ¢ 3.71 ¢ 4.42 ¢ Airline special charges per ASM (cents) 0.24 ¢ 0.19 ¢ — ¢ Airline operating CASM, excluding fuel and special charges (cents) 8.80 ¢ 8.31 ¢ 7.33 ¢ Departures 121,580 120,525 118,069 Block hours 288,407 285,453 278,792 Average stage length (miles) 887 882 884 Average number of operating aircraft during period 124.7 125.2 114.2 Average block hours per aircraft per day 6.3 6.2 6.7 Full-time equivalent employees at end of period 5,991 5,643 5,306 Fuel gallons consumed (thousands) 227,345 224,996 218,606 ASMs per gallon of fuel 83.5 83.4 84.3 Average fuel cost per gallon $ 2.76 $ 3.09 $ 3.73 Scheduled service statistics: Passengers 16,765,283 17,143,870 16,630,138 Revenue passenger miles (RPMs) (thousands) 15,303,737 15,639,329 15,224,346 Available seat miles (ASMs) (thousands) 18,314,867 18,208,820 17,909,190 Load factor 83.6 % 85.9 % 85.0 % Departures 116,441 116,044 114,066 Block hours 277,626 276,313 270,516 Average seats per departure 176.0 176.3 175.7 Yield (cents) (1) 7.11 ¢ 7.59 ¢ 7.31 ¢ Total passenger revenue per ASM (TRASM) (cents) (2) 12.88 ¢ 13.38 ¢ 12.50 ¢ Average fare - scheduled service (3) $ 64.89 $ 69.25 $ 66.88 Average fare - air-related charges (3) $ 67.35 $ 66.33 $ 61.67 Average fare - third party products $ 8.48 $ 6.57 $ 6.07 Average fare - total $ 140.72 $ 142.15 $ 134.62 Average stage length (miles) 893 888 890 Fuel gallons consumed (thousands) 219,061 218,129 212,466 Average fuel cost per gallon $ 2.76 $ 3.09 $ 3.72 Percent of sales through website during period 93.6 % 95.8 % 96.0 % Other Data: Rental car days sold 1,306,775 1,377,710 1,447,708 Hotel room nights sold 196,605 249,933 282,854 (1) Defined as scheduled service revenue divided by revenue passenger miles (2) Various components of this measure do not have a direct correlation to ASMs.
For the Year Ended December 31, Airline operating statistics (unaudited): 2025 2024 2023 Total system statistics: Passengers 18,737,151 16,982,836 17,342,236 Available seat miles (ASMs) (thousands) 21,369,532 18,984,711 18,772,110 Airline operating expense per ASM (CASM) (cents) 11.24 ¢ 12.11 ¢ 12.02 ¢ Fuel expense per ASM (cents) 2.99 ¢ 3.31 ¢ 3.71 ¢ Airline special charges per ASM (cents) 0.21 ¢ 0.24 ¢ 0.19 ¢ Airline operating CASM, excluding fuel and special charges (cents) 8.04 ¢ 8.56 ¢ 8.12 ¢ Departures 137,039 121,580 120,525 Block hours 327,440 288,407 285,453 Average stage length (miles) 887 887 882 Average number of operating aircraft during period 124.8 124.7 125.2 Average block hours per aircraft per day 7.2 6.3 6.2 Full-time equivalent employees at end of period 5,616 5,991 5,643 Fuel gallons consumed (thousands) 251,049 227,345 224,996 ASMs per gallon of fuel 85.1 83.5 83.4 Average fuel cost per gallon $ 2.55 $ 2.76 $ 3.09 Scheduled service statistics: Passengers 18,518,653 16,765,283 17,143,870 Revenue passenger miles (RPMs) (thousands) 16,947,654 15,303,737 15,639,329 Available seat miles (ASMs) (thousands) 20,679,905 18,314,867 18,208,820 Load factor 82.0 % 83.6 % 85.9 % Departures 131,668 116,441 116,044 Block hours 316,137 277,626 276,313 Average seats per departure 175.4 176.0 176.3 Yield (cents) (1) 6.22 ¢ 7.11 ¢ 7.59 ¢ Total passenger revenue per ASM (TRASM) (cents) (2) 11.93 ¢ 12.88 ¢ 13.38 ¢ Average fare - scheduled service (3) $ 56.89 $ 64.89 $ 69.25 Average fare - air-related charges (3) $ 68.62 $ 67.35 $ 66.33 Average fare - third party products $ 7.73 $ 8.48 $ 6.57 Average fare - total $ 133.25 $ 140.72 $ 142.15 Average stage length (miles) 893 893 888 Fuel gallons consumed (thousands) 242,673 219,061 218,129 Average fuel cost per gallon $ 2.54 $ 2.76 $ 3.09 Percent of sales through website during period 92.3 % 93.6 % 95.8 % Other Data: Rental car days sold 1,347,975 1,306,775 1,377,710 Hotel room nights sold 122,780 196,605 249,933 (1) Defined as scheduled service revenue divided by revenue passenger miles (2) Various components of this measure do not have a direct correlation to ASMs.
Station operations expense also includes most of our irregular operations costs. Depreciation and amortization expense includes the depreciation of all owned fixed assets, including aircraft and engines, Sunseeker Resort assets, and assets recorded in connection with finance leases.
Station operations expense also includes most of our irregular operations costs. Depreciation and amortization expense includes the depreciation of all owned fixed assets, including aircraft and engines, Sunseeker Resort assets (until determined to be an asset held for sale in June 2025), and assets recorded in connection with finance leases.
The effective tax rates for 2024 and 2023 differed from the statutory federal income tax rate of 21.0 percent primarily due to state income taxes, executive compensation, and the impact of ASU 2016-09 related to share-based compensation. 2023 compared to 2022 The comparison of our 2023 results to 2022 results is included in our Annual Report on Form 10-K for the year ended December 31, 2023, under Part II Item 7, Management's Discussion and Analysis of Financial Condition and Results of Operations.
The effective tax rates for 2025 and 2024 differed from the statutory federal income tax rate of 21.0 percent primarily due to state income taxes and the impact of permanent tax differences. 2024 compared to 2023 The comparison of our 2024 results to 2023 results is included in our Annual Report on Form 10-K for the year ended December 31, 2024, under Part II Item 7, Management's Discussion and Analysis of Financial Condition and Results of Operations. 46 Airline Operating Statistics The following table shows the airline operating statistics for the last three years.
Significant increases in fuel costs could materially affect our operating results and profitability. We have not sought to use financial derivative products to hedge our exposure to fuel price volatility, nor do we have any plans to do so in the future.
We have not sought to use financial derivative products to hedge our exposure to fuel price volatility, nor do we have any plans to do so in the future. Elevated fuel costs in the future may impact our overall cost structure and operating results.
We believe this new aircraft purchase is complementary with our low-cost strategy based on our intent to retain ownership of the aircraft, the longer useful life for depreciation purposes, and expected fuel savings and operational reliability from the use of these new aircraft.
We believe this new aircraft purchase is complementary with our low-cost strategy based on our intent to retain ownership of the aircraft, the longer useful life for depreciation purposes, and expected fuel savings and operational reliability from the use of these new aircraft. 41 There continues to be regulatory focus on increasing quality control standards at Boeing and its suppliers with the aim of stabilizing aircraft production.
(3) Reflects division of passenger revenue between scheduled service and air-related charges in our booking path. 46 The following terms used in this section and elsewhere in this annual report have the meanings indicated below: “ Available seat miles ” or “ ASMs ” represents the number of seats available for passengers multiplied by the number of miles the seats are flown.
The following terms used in this section and elsewhere in this annual report have the meanings indicated below: “ Available seat miles ” or “ ASMs ” represents the number of seats available for passengers multiplied by the number of miles the seats are flown.
Boeing Agreement We have signed an agreement and amendments with Boeing to purchase 50 newly manufactured 737 MAX aircraft with options to purchase up to an additional 80 737 MAX aircraft. We took delivery of four MAX aircraft in 2024, with the aircraft entering revenue service before the end of the year.
Boeing Agreement We have signed an agreement and amendments with Boeing to purchase 50 newly manufactured 737 MAX aircraft with options to purchase up to an additional 80 737 MAX aircraft. We have taken delivery of 16 MAX aircraft from this order and all 16 aircraft are currently in revenue service.
Year Ended December 31, Percent Change Airline Unitized Costs (in cents) 2024 2023 YoY Salaries and benefits 4.06 ¢ 3.58 ¢ 13.4 % Aircraft fuel 3.31 3.71 (10.8) Station operations 1.44 1.37 5.1 Depreciation and amortization 1.22 1.18 3.4 Maintenance and repairs 0.66 0.66 — Sales and marketing 0.52 0.58 (10.3) Aircraft lease rentals 0.12 0.13 (7.7) Other 0.54 0.62 (12.9) Special charges 0.24 0.19 26.3 Airline operating CASM 12.11 ¢ 12.02 ¢ 0.7 Airline operating CASM, excluding fuel 8.80 ¢ 8.31 ¢ 5.9 Airline operating CASM, excluding fuel and special charges 8.56 ¢ 8.12 ¢ 5.4 44 Airline operating CASM, excluding fuel and airline special charges.
Excluding special charges allows management and investors to better compare our airline unit costs with those of other airlines. 44 Year Ended December 31, Percent Change Airline Unitized Costs (in cents) 2025 2024 YoY Salaries and benefits 3.77 ¢ 4.06 ¢ (7.1) % Aircraft fuel 2.99 3.31 (9.7) Station operations 1.39 1.44 (3.5) Depreciation and amortization 1.13 1.22 (7.4) Maintenance and repairs 0.70 0.66 6.1 Sales and marketing 0.44 0.52 (15.4) Aircraft lease rentals 0.17 0.12 41.7 Other 0.44 0.54 (18.5) Special charges 0.21 0.24 (12.5) Airline operating CASM 11.24 ¢ 12.11 ¢ (7.2) Airline operating CASM, excluding fuel 8.25 ¢ 8.80 ¢ (6.3) Airline operating CASM, excluding fuel and special charges 8.04 ¢ 8.56 ¢ (6.1) Airline operating CASM, excluding fuel and airline special charges.
Salaries and benefits expense includes wages, salaries, employee bonuses and pilot retention bonus accruals, as well as expenses associated with employee benefit plans, stock compensation expense related to equity grants, and employer payroll taxes. The CARES Act employee retention tax credit was recorded as an offset to salaries and benefits expense in 2022.
Salaries and benefits expense includes wages, salaries, employee bonuses and pilot retention bonus accruals, as well as expenses associated with employee benefit plans, stock compensation expense related to equity grants, and employer payroll taxes. Salaries and benefits expense also includes such costs for Sunseeker Resort personnel through the sale of the Resort in September 2025.
Other special charges in 2024, 2023, and 2022 relate to accelerated retirements of 21 airframes for early retirement to coincide with planned 737 MAX aircraft deliveries and losses incurred by Sunseeker from the impact of hurricanes and other weather related events, net of insurance recoveries. 43 RESULTS OF OPERATIONS 2024 compared to 2023 Operating Revenue Year Ended December 31, Percent Change Operating Revenues (in thousands) 2024 2023 YoY Passenger $ 2,217,059 $ 2,324,397 (4.6) % Third party products 142,128 112,579 26.2 Fixed fee contracts 80,660 68,548 17.7 Resort and other 72,742 4,333 NM Total operating revenues $ 2,512,589 $ 2,509,857 0.1 NM - not meaningful Passenger revenue.
Additional special charges in 2025, 2024, and 2023 include costs associated with the accelerated retirement of 24 airframes to align with planned 737 MAX aircraft deliveries, a ratification bonus for our flight attendants in 2024, an impairment charge in 2024 for Sunseeker Resort, as well as losses incurred at the Resort from hurricanes and other severe weather events, net of insurance recoveries. 43 RESULTS OF OPERATIONS 2025 compared to 2024 Operating Revenue Year Ended December 31, Percent Change Operating Revenues (in thousands) 2025 2024 YoY Passenger $ 2,324,348 $ 2,217,059 4.8 % Third party products 143,188 142,128 0.7 Fixed fee contracts 77,647 80,660 (3.7) Resort and other 61,396 72,742 (15.6) Total operating revenues $ 2,606,579 $ 2,512,589 3.7 Passenger revenue.
We will continue to consider raising funds through debt financing to finance aircraft purchases and also on an opportunistic basis. Debt Our debt and finance lease obligations balance, without reduction for related issuance costs, decreased from $2.28 billion as of December 31, 2023 to $2.08 billion as of December 31, 2024. During 2024, we borrowed $387.0 million at variable rates.
We will continue to consider raising funds through debt financing as needed to fund capital expenditures. Debt Our debt and finance lease obligations balance, without reduction for related issuance costs, decreased from $2.08 billion as of December 31, 2024 to $1.82 billion as of December 31, 2025.
All of the aircraft in our fleet as of December 31, 2024 are owned by us except as indicated in the footnotes to the table: As of December 31, 2024 2023 2022 A320 (1)(2) 87 92 86 A319 (3) 34 34 35 737-8200 4 — — Total 125 126 121 (1) Does not include one aircraft of which we have taken delivery as of December 31, 2023 and which was not in service as of that date.
All of the aircraft in our fleet as of December 31, 2025 are owned by us except as indicated in the footnotes to the table: As of December 31, 2025 2024 2023 A320 (1) 79 87 92 A319 (2) 28 34 34 737-8200 16 4 — Total 123 125 126 (1) Includes 23 aircraft under finance lease and 9 aircraft under operating lease as of December 31, 2025, and 23 aircraft under finance lease and 13 aircraft under operating lease as of December 31, 2024 and December 31, 2023.
These figures are provided on a per ASM basis so as to facilitate comparisons with airlines reporting revenues on a per ASM basis.
These figures are provided on a per ASM basis so as to facilitate comparisons with airlines reporting revenues on a per ASM basis. (3) Reflects division of passenger revenue between scheduled service and air-related charges in our booking path.
The decrease was primarily driven by a 10.7 percent decrease in average fuel cost per gallon, offset by a 1.0 percent increase in gallons consumed on a 1.1 percent increase in total system ASMs. Salaries and benefits expense. Airline salaries and benefits expense increased $98.2 million, or 14.6 percent, in 2024 compared to 2023.
The increase was primarily driven by a 10.4 percent increase in fuel gallons consumed, attributable to a 12.6 percent increase in total system ASMs. This increase was partially offset by a 7.6 percent decrease in average fuel cost per gallon. Fuel efficiency improved by 1.9 percent year over year. Station operations expense.
Restricted cash represents escrowed funds under fixed fee contracts, escrowed project funds and cash collateral against letters of credit required by hotel properties for guaranteed room availability, airports and certain other parties. Under our fixed fee flying contracts, we require our customers to prepay for flights to be provided by us.
As of December 31, 2025, we had $250.0 million of undrawn capacity under revolving credit facilities, plus another $25.1 million of undrawn capacity under a PDP financing facility. Restricted cash represents escrowed funds under fixed fee contracts and cash collateral against letters of credit required by hotel properties for guaranteed room availability, airports and certain other parties.
Subsequent revisions to these estimates could be caused by changing market prices of our aircraft, changes in utilization of the aircraft, and other fleet events. 50 RECENT ACCOUNTING PRONOUNCEMENTS See related disclosure in Note 2 to our Consolidated Financial Statements. 51
Subsequent revisions to these estimates could be caused by changing market prices of our aircraft, changes in utilization of the aircraft, and other fleet events. We classify assets as held for sale when the asset or asset group meets all of the accounting requirements to be classified as held for sale.
Operating Expenses The following table presents airline only operating unit costs on a per ASM basis, defined as Operating CASM, for the indicated periods. Excluding fuel on a per ASM basis provides management and investors the ability to measure and monitor our cost performance absent fuel price volatility.
Excluding fuel on a per ASM basis provides management and investors the ability to measure and monitor our cost performance absent fuel price volatility. Both the cost and availability of fuel are subject to many economic and political factors beyond our control.
(2) Includes 23 aircraft under finance lease and 13 aircraft under operating lease as of December 31, 2024 and December 31, 2023, and 20 aircraft under finance lease and 13 aircraft under operating lease as of December 31, 2022. (3) Includes four aircraft under operating lease as of December 31, 2024, December 31, 2023, and December 31, 2022.
As of December 31, 2025, excludes three aircraft under operating lease which have been removed from service pending redelivery. (2) As of December 31, 2025, excludes three aircraft under operating lease which have been removed from service pending redelivery. Includes four aircraft under operating lease as of December 31, 2024, and December 31, 2023.
As of February 1, 2025, and including service announcements through that date, we were selling seats on 577 routes serving 122 cities in 42 states.
Properties for further detail regarding our aircraft fleet. 40 NETWORK As of February 1, 2026, and including service announcements through that date, we were selling travel on 578 routes to 126 cities in 42 states. These include 39 routes scheduled to begin service in 2026.
We and the International Brotherhood of Teamsters jointly requested the mediation services of the National Mediation Board in January 2023 to assist with the negotiations. The mediation process with the NMB is continuing.
Further delays in aircraft deliveries will impact our ability to schedule additional growth in late 2026 and beyond. Union Negotiations The collective bargaining agreement with our pilots has been amendable since 2021. We and the International Brotherhood of Teamsters ("IBT") jointly requested the mediation services of the National Mediation Board in January 2023 to assist with the negotiations.
The following table shows the number of leisure destinations and cities served as of the dates indicated (includes cities served seasonally): As of December 31, 2024 2023 2022 Leisure destinations 34 33 32 Origination cities 87 91 93 Total cities 121 124 125 Total routes 541 544 572 40 TRENDS Aircraft Fuel The cost of fuel is volatile, as it is subject to many economic and geopolitical factors we can neither control nor predict.
The following table shows the number of leisure destinations and cities served as of the dates indicated (includes cities served seasonally): As of December 31, 2025 2024 2023 Leisure destinations 34 34 33 Origination cities 88 87 91 Total cities 122 121 124 Total routes 540 541 544 TRENDS Proposed Acquisition of Sun Country Airlines In January 2026, we entered into an agreement to acquire Sun Country subject to satisfaction of customary closing conditions, including each company's receipt of certain shareholder approvals and regulatory reviews and approvals.
Airline operating CASM, excluding fuel and airline special charges, increased by 5.4 percent to 8.56 ¢ for 2024 compared to 8.12 ¢ in 2023. The CASM-ex increase is primarily attributable to a 13.4 percent increase in airline salaries and benefits expense on a per ASM basis (for the reasons described in the expense line item discussion below).
A majority of expense line items were lower on a per ASM basis due in part to the increase in capacity. With limited ASM growth currently expected in 2026, CASM-ex is expected to increase to some extent during the year. Salaries and benefits expense. Airline salaries and benefits expense increased $34.8 million or 4.5 percent in 2025 compared to 2024.
Refer to Note 15 in the consolidated financial statements for additional information regarding the impairment charge. 45 Income tax expense . We recorded a $68.2 million tax benefit in 2024 compared to a $41.5 million tax expense during 2023.
Income taxes We recorded a $10.2 million tax benefit in 2025 compared to a $68.2 million tax benefit in 2024.
The remaining change relates to an $84.0 million decrease in Sunseeker construction financing disbursements, which are the proceeds of Sunseeker insurance recoveries disbursed to us. 48 OFF-BALANCE SHEET ARRANGEMENTS, COMMITMENTS AND CONTRACTUAL OBLIGATIONS The following table discloses aggregate information about our contractual cash obligations and off-balance sheet arrangements as of December 31, 2024 and the periods in which payments are due: Contractual obligations (in thousands) Less than 1 year 2-3 years 4-5 years More than 5 years Total Long-term debt obligations (1) $ 539,160 $ 957,638 $ 227,054 $ 289,067 $ 2,012,919 Finance lease obligations 51,408 102,216 170,304 231,772 555,700 Operating lease obligations 24,532 25,584 20,024 32,590 102,730 Aircraft acquisition obligations (2) 399,895 1,178,214 — — 1,578,109 Total future payments under contractual obligations $ 1,014,995 $ 2,263,652 $ 417,382 $ 553,429 $ 4,249,458 (1) Long-term debt obligations (including variable interest entities) include scheduled interest payments, using applicable reference rates as of December 31, 2024, and exclude debt issuance costs.
We had heightened debt repayment activity in 2025 due to the prepayment of the Sunseeker construction loan, refinancing of our pre-delivery deposit loans upon aircraft delivery, redemptions and repurchases (prepayments) of a portion of our 2027 Senior Secured Notes, and prepayments of other aircraft secured debt. 50 OFF-BALANCE SHEET ARRANGEMENTS, COMMITMENTS AND CONTRACTUAL OBLIGATIONS The following table discloses aggregate information about our contractual cash obligations and off-balance sheet arrangements as of December 31, 2025 and the periods in which payments are due: Contractual obligations (in thousands) Less than 1 year 2-3 years 4-5 years More than 5 years Total Long-term debt obligations (1) $ 182,976 $ 767,736 $ 284,421 $ 588,923 $ 1,824,056 Finance lease obligations 51,108 117,016 209,629 126,539 504,292 Operating lease obligations 14,143 22,430 20,399 25,176 82,148 Aircraft acquisition obligations (2) 632,159 671,167 — — 1,303,326 Total future payments under contractual obligations $ 880,386 $ 1,578,349 $ 514,449 $ 740,638 $ 3,713,822 (1) Long-term debt obligations (including variable interest entities) include scheduled interest payments, using applicable reference rates as of December 31, 2025, and excluding debt issuance costs.
Airline depreciation and amortization expense increased $10.9 million, or 4.9 percent, in 2024 compared to 2023 as the result of increases in deferred heavy maintenance amortization as well as increases in capitalized software amortization resulting from the airline's implementation of new enterprise resource planning ("ERP") systems including SAP, Navitaire, and Trax during 2023 and 2024.
Additionally, there was an increase in software amortization resulting from the airline's implementation of new enterprise resource planning systems throughout 2024 and 2025. These increases were partially offset by decreases in depreciation and heavy maintenance amortization associated with the retirement of six Airbus airframes during 2025. Sunseeker Resort depreciation and amortization decreased by $19.3 million in 2025 compared to 2024.
Although the contract provides for more deliveries, at this time, we currently expect nine aircraft to be delivered to us in 2025. Further delays in aircraft deliveries will impact our ability to schedule additional growth in late 2025 and beyond. New Reservation System During 2023, we converted to the Navitaire reservation system to replace our legacy home-grown system.
These factors and the requirements for Boeing to obtain routine and necessary regulatory approvals could delay deliveries to us beyond management's current expectations. Although the contract provides for more deliveries, at this time, we currently expect eleven aircraft to be delivered to us in 2026.
During 2025 and future periods, we expect to add meaningful capacity growth with greater utilization of our fleet (and, in particular, during peak demand periods) and with projected growth of the fleet after 2025. 41 Sunseeker Resort Sunseeker Resort at Charlotte Harbor opened in December 2023.
During 2026, we expect to continue focusing on the strategic utilization of our fleet, particularly during peak demand periods with only minimal scheduled service growth expected at this time. We anticipate that projected fleet growth after 2026 will provide additional flexibility to pursue network expansion opportunities. Sunseeker Resort In September 2025, we completed the sale of Sunseeker Resort.