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Side-by-side financial comparison of Southwest Airlines (LUV) and Quanta Services (PWR). Click either name above to swap in a different company.

Quanta Services is the larger business by last-quarter revenue ($7.8B vs $7.2B, roughly 1.1× Southwest Airlines). Quanta Services runs the higher net margin — 4.0% vs 3.1%, a 0.9% gap on every dollar of revenue. On growth, Quanta Services posted the faster year-over-year revenue change (19.7% vs 12.8%). Over the past eight quarters, Quanta Services's revenue compounded faster (24.8% CAGR vs -0.7%).

Southwest Airlines is a major low-cost airline of the United States. It is headquartered in the Love Field neighborhood of Dallas, Texas. It is the fourth-largest airline in North America when measured by passengers carried, as of 2024. With its all-Boeing 737 fleet, Southwest serves over 100 destinations in 42 states, Washington, D.C.

Quanta Services is a U.S. corporation that provides infrastructure services for the electric power, pipeline, industrial and communications industries. Its capabilities include planning, design, installation, program management, maintenance and repair of most types of network infrastructure. The company has grown organically since its founding, but it has also acquired over 150 companies in the electrical contracting industry.

LUV vs PWR — Head-to-Head

Bigger by revenue
PWR
PWR
1.1× larger
PWR
$7.8B
$7.2B
LUV
Growing faster (revenue YoY)
PWR
PWR
+6.9% gap
PWR
19.7%
12.8%
LUV
Higher net margin
PWR
PWR
0.9% more per $
PWR
4.0%
3.1%
LUV
Faster 2-yr revenue CAGR
PWR
PWR
Annualised
PWR
24.8%
-0.7%
LUV

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
LUV
LUV
PWR
PWR
Revenue
$7.2B
$7.8B
Net Profit
$227.0M
$316.6M
Gross Margin
15.5%
Operating Margin
6.2%
Net Margin
3.1%
4.0%
Revenue YoY
12.8%
19.7%
Net Profit YoY
252.3%
2.0%
EPS (diluted)
$0.45
$2.08

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
LUV
LUV
PWR
PWR
Q1 26
$7.2B
Q4 25
$7.4B
$7.8B
Q3 25
$6.9B
$7.6B
Q2 25
$7.2B
$6.8B
Q1 25
$6.4B
$6.2B
Q4 24
$6.9B
$6.6B
Q3 24
$6.9B
$6.5B
Q2 24
$7.4B
$5.6B
Net Profit
LUV
LUV
PWR
PWR
Q1 26
$227.0M
Q4 25
$323.0M
$316.6M
Q3 25
$54.0M
$339.4M
Q2 25
$213.0M
$229.3M
Q1 25
$-149.0M
$144.3M
Q4 24
$262.0M
$310.3M
Q3 24
$67.0M
$293.2M
Q2 24
$367.0M
$188.2M
Gross Margin
LUV
LUV
PWR
PWR
Q1 26
Q4 25
15.5%
Q3 25
15.9%
Q2 25
14.9%
Q1 25
13.4%
Q4 24
16.2%
Q3 24
15.6%
Q2 24
14.5%
Operating Margin
LUV
LUV
PWR
PWR
Q1 26
Q4 25
5.3%
6.2%
Q3 25
0.5%
6.8%
Q2 25
3.1%
5.5%
Q1 25
-3.5%
3.8%
Q4 24
4.0%
6.9%
Q3 24
0.6%
6.6%
Q2 24
5.4%
5.5%
Net Margin
LUV
LUV
PWR
PWR
Q1 26
3.1%
Q4 25
4.3%
4.0%
Q3 25
0.8%
4.4%
Q2 25
2.9%
3.4%
Q1 25
-2.3%
2.3%
Q4 24
3.8%
4.7%
Q3 24
1.0%
4.5%
Q2 24
5.0%
3.4%
EPS (diluted)
LUV
LUV
PWR
PWR
Q1 26
$0.45
Q4 25
$0.56
$2.08
Q3 25
$0.10
$2.24
Q2 25
$0.39
$1.52
Q1 25
$-0.26
$0.96
Q4 24
$0.46
$2.03
Q3 24
$0.11
$1.95
Q2 24
$0.58
$1.26

Balance Sheet & Financial Strength

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

Metric
LUV
LUV
PWR
PWR
Cash + ST InvestmentsLiquidity on hand
$3.3B
$439.5M
Total DebtLower is stronger
$5.4B
$5.2B
Stockholders' EquityBook value
$6.9B
$8.9B
Total Assets
$20.4B
$24.9B
Debt / EquityLower = less leverage
0.78×
0.59×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
LUV
LUV
PWR
PWR
Q1 26
$3.3B
Q4 25
$3.2B
$439.5M
Q3 25
$3.0B
$610.4M
Q2 25
$3.8B
$509.5M
Q1 25
$8.3B
$520.6M
Q4 24
$8.7B
$742.0M
Q3 24
$9.4B
$764.1M
Q2 24
$10.0B
$518.1M
Total Debt
LUV
LUV
PWR
PWR
Q1 26
$5.4B
Q4 25
$4.6B
$5.2B
Q3 25
$4.1B
$5.5B
Q2 25
$4.1B
$4.7B
Q1 25
$4.1B
$4.4B
Q4 24
$5.1B
$4.1B
Q3 24
$5.1B
$4.1B
Q2 24
$5.1B
$3.0B
Stockholders' Equity
LUV
LUV
PWR
PWR
Q1 26
$6.9B
Q4 25
$8.0B
$8.9B
Q3 25
$7.8B
$8.4B
Q2 25
$8.0B
$7.9B
Q1 25
$9.4B
$7.5B
Q4 24
$10.3B
$7.3B
Q3 24
$10.4B
$7.1B
Q2 24
$10.5B
$6.6B
Total Assets
LUV
LUV
PWR
PWR
Q1 26
$20.4B
Q4 25
$29.1B
$24.9B
Q3 25
$28.3B
$22.7B
Q2 25
$28.7B
$19.9B
Q1 25
$33.2B
$19.1B
Q4 24
$33.8B
$18.7B
Q3 24
$34.8B
$18.9B
Q2 24
$35.6B
$15.9B
Debt / Equity
LUV
LUV
PWR
PWR
Q1 26
0.78×
Q4 25
0.57×
0.59×
Q3 25
0.52×
0.66×
Q2 25
0.51×
0.59×
Q1 25
0.44×
0.58×
Q4 24
0.49×
0.56×
Q3 24
0.49×
0.58×
Q2 24
0.48×
0.45×

Cash Flow & Capital Efficiency

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

Metric
LUV
LUV
PWR
PWR
Operating Cash FlowLast quarter
$1.4B
$1.1B
Free Cash FlowOCF − Capex
$934.0M
FCF MarginFCF / Revenue
11.9%
Capex IntensityCapex / Revenue
8.7%
2.5%
Cash ConversionOCF / Net Profit
6.25×
3.56×
TTM Free Cash FlowTrailing 4 quarters
$1.6B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
LUV
LUV
PWR
PWR
Q1 26
$1.4B
Q4 25
$294.0M
$1.1B
Q3 25
$287.0M
$563.5M
Q2 25
$401.0M
$295.7M
Q1 25
$860.0M
$243.2M
Q4 24
$476.0M
$712.0M
Q3 24
$113.0M
$739.9M
Q2 24
$-23.0M
$391.3M
Free Cash Flow
LUV
LUV
PWR
PWR
Q1 26
Q4 25
$-565.0M
$934.0M
Q3 25
$-391.0M
$421.0M
Q2 25
$-234.0M
$155.4M
Q1 25
$359.0M
$110.4M
Q4 24
$16.0M
$565.0M
Q3 24
$-404.0M
$527.4M
Q2 24
$-517.0M
$229.9M
FCF Margin
LUV
LUV
PWR
PWR
Q1 26
Q4 25
-7.6%
11.9%
Q3 25
-5.6%
5.5%
Q2 25
-3.2%
2.3%
Q1 25
5.6%
1.8%
Q4 24
0.2%
8.6%
Q3 24
-5.9%
8.1%
Q2 24
-7.0%
4.1%
Capex Intensity
LUV
LUV
PWR
PWR
Q1 26
8.7%
Q4 25
11.5%
2.5%
Q3 25
9.8%
1.9%
Q2 25
8.8%
2.1%
Q1 25
7.8%
2.1%
Q4 24
6.6%
2.2%
Q3 24
7.5%
3.3%
Q2 24
6.7%
2.9%
Cash Conversion
LUV
LUV
PWR
PWR
Q1 26
6.25×
Q4 25
0.91×
3.56×
Q3 25
5.31×
1.66×
Q2 25
1.88×
1.29×
Q1 25
1.69×
Q4 24
1.82×
2.29×
Q3 24
1.69×
2.52×
Q2 24
-0.06×
2.08×

Financial Flow Comparison

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

Revenue Breakdown by Segment

LUV
LUV

Passenger$6.6B91%
Other$614.0M8%
Freight$44.0M1%

PWR
PWR

Segment breakdown not available.

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