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Side-by-side financial comparison of Diversified Energy Co (DEC) and Frontier Group Holdings, Inc. (ULCC). Click either name above to swap in a different company.

Frontier Group Holdings, Inc. is the larger business by last-quarter revenue ($997.0M vs $666.5M, roughly 1.5× Diversified Energy Co). Diversified Energy Co runs the higher net margin — 29.3% vs 5.3%, a 24.0% gap on every dollar of revenue. Diversified Energy Co produced more free cash flow last quarter ($280.0M vs $-113.0M).

DTE Energy is a Detroit-based diversified energy company involved in the development and management of energy-related businesses and services in the United States and Canada. Its operating units include an electric utility serving 2.2 million customers and a natural gas utility serving 1.3 million customers in Michigan.

Frontier Communications Parent, Inc. is an American telecommunications company with a fiber-optic network and cloud-based services owned by Verizon. It was previously known as Citizens Utilities Co., Citizens Communications Co., and Frontier Communications Corp.

DEC vs ULCC — Head-to-Head

Bigger by revenue
ULCC
ULCC
1.5× larger
ULCC
$997.0M
$666.5M
DEC
Higher net margin
DEC
DEC
24.0% more per $
DEC
29.3%
5.3%
ULCC
More free cash flow
DEC
DEC
$393.0M more FCF
DEC
$280.0M
$-113.0M
ULCC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
DEC
DEC
ULCC
ULCC
Revenue
$666.5M
$997.0M
Net Profit
$195.5M
$53.0M
Gross Margin
Operating Margin
37.6%
4.9%
Net Margin
29.3%
5.3%
Revenue YoY
-0.5%
Net Profit YoY
-1.9%
EPS (diluted)
$0.24

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
DEC
DEC
ULCC
ULCC
Q4 25
$666.5M
$997.0M
Q3 25
$499.8M
$886.0M
Q2 25
$600.3M
$929.0M
Q1 25
$912.0M
Q4 24
$1.0B
Q3 24
$935.0M
Q2 24
$973.0M
Q1 24
$865.0M
Net Profit
DEC
DEC
ULCC
ULCC
Q4 25
$195.5M
$53.0M
Q3 25
$171.1M
$-77.0M
Q2 25
$297.7M
$-70.0M
Q1 25
$-43.0M
Q4 24
$54.0M
Q3 24
$26.0M
Q2 24
$31.0M
Q1 24
$-26.0M
Gross Margin
DEC
DEC
ULCC
ULCC
Q4 25
Q3 25
Q2 25
44.7%
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Operating Margin
DEC
DEC
ULCC
ULCC
Q4 25
37.6%
4.9%
Q3 25
36.2%
-8.7%
Q2 25
48.5%
-8.1%
Q1 25
-5.0%
Q4 24
4.5%
Q3 24
2.0%
Q2 24
2.6%
Q1 24
-3.6%
Net Margin
DEC
DEC
ULCC
ULCC
Q4 25
29.3%
5.3%
Q3 25
34.2%
-8.7%
Q2 25
49.6%
-7.5%
Q1 25
-4.7%
Q4 24
5.4%
Q3 24
2.8%
Q2 24
3.2%
Q1 24
-3.0%
EPS (diluted)
DEC
DEC
ULCC
ULCC
Q4 25
$0.24
Q3 25
$2.14
$-0.34
Q2 25
$3.67
$-0.31
Q1 25
$-0.19
Q4 24
$0.24
Q3 24
$0.11
Q2 24
$0.14
Q1 24
$-0.12

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
DEC
DEC
ULCC
ULCC
Cash + ST InvestmentsLiquidity on hand
$29.7M
$671.0M
Total DebtLower is stronger
$2.7B
$620.0M
Stockholders' EquityBook value
$984.1M
$491.0M
Total Assets
$6.2B
$7.2B
Debt / EquityLower = less leverage
2.76×
1.26×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DEC
DEC
ULCC
ULCC
Q4 25
$29.7M
$671.0M
Q3 25
$566.0M
Q2 25
$23.7M
$563.0M
Q1 25
$686.0M
Q4 24
$740.0M
Q3 24
$576.0M
Q2 24
$658.0M
Q1 24
$622.0M
Total Debt
DEC
DEC
ULCC
ULCC
Q4 25
$2.7B
$620.0M
Q3 25
$673.0M
Q2 25
$565.0M
Q1 25
$512.0M
Q4 24
$507.0M
Q3 24
$474.0M
Q2 24
$455.0M
Q1 24
$469.0M
Stockholders' Equity
DEC
DEC
ULCC
ULCC
Q4 25
$984.1M
$491.0M
Q3 25
$434.0M
Q2 25
$727.7M
$506.0M
Q1 25
$570.0M
Q4 24
$604.0M
Q3 24
$549.0M
Q2 24
$520.0M
Q1 24
$484.0M
Total Assets
DEC
DEC
ULCC
ULCC
Q4 25
$6.2B
$7.2B
Q3 25
$6.7B
Q2 25
$5.7B
$6.5B
Q1 25
$6.5B
Q4 24
$6.2B
Q3 24
$5.8B
Q2 24
$5.7B
Q1 24
$5.2B
Debt / Equity
DEC
DEC
ULCC
ULCC
Q4 25
2.76×
1.26×
Q3 25
1.55×
Q2 25
1.12×
Q1 25
0.90×
Q4 24
0.84×
Q3 24
0.86×
Q2 24
0.88×
Q1 24
0.97×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
DEC
DEC
ULCC
ULCC
Operating Cash FlowLast quarter
$464.6M
$-91.0M
Free Cash FlowOCF − Capex
$280.0M
$-113.0M
FCF MarginFCF / Revenue
42.0%
-11.3%
Capex IntensityCapex / Revenue
27.7%
2.2%
Cash ConversionOCF / Net Profit
2.38×
-1.72×
TTM Free Cash FlowTrailing 4 quarters
$-600.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DEC
DEC
ULCC
ULCC
Q4 25
$464.6M
$-91.0M
Q3 25
$-215.0M
Q2 25
$264.1M
$-133.0M
Q1 25
$-86.0M
Q4 24
$87.0M
Q3 24
$-156.0M
Q2 24
$9.0M
Q1 24
$-22.0M
Free Cash Flow
DEC
DEC
ULCC
ULCC
Q4 25
$280.0M
$-113.0M
Q3 25
$-217.0M
Q2 25
$-166.0M
Q1 25
$-104.0M
Q4 24
$73.0M
Q3 24
$-170.0M
Q2 24
$-22.0M
Q1 24
$-39.0M
FCF Margin
DEC
DEC
ULCC
ULCC
Q4 25
42.0%
-11.3%
Q3 25
-24.5%
Q2 25
-17.9%
Q1 25
-11.4%
Q4 24
7.3%
Q3 24
-18.2%
Q2 24
-2.3%
Q1 24
-4.5%
Capex Intensity
DEC
DEC
ULCC
ULCC
Q4 25
27.7%
2.2%
Q3 25
0.2%
Q2 25
3.6%
Q1 25
2.0%
Q4 24
1.4%
Q3 24
1.5%
Q2 24
3.2%
Q1 24
2.0%
Cash Conversion
DEC
DEC
ULCC
ULCC
Q4 25
2.38×
-1.72×
Q3 25
Q2 25
0.89×
Q1 25
Q4 24
1.61×
Q3 24
-6.00×
Q2 24
0.29×
Q1 24

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

DEC
DEC

Segment breakdown not available.

ULCC
ULCC

Aircraft Fare$453.0M45%
Passenger Service Fees$227.0M23%
Passenger Baggage$177.0M18%
Passenger Seat Selection$69.0M7%
Other Passenger Revenue$36.0M4%
Other$35.0M4%

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