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

Southwest Airlines is the larger business by last-quarter revenue ($7.2B vs $7.0B, roughly 1.0× Southern Company). Southern Company runs the higher net margin — 4.9% vs 3.1%, a 1.8% gap on every dollar of revenue. On growth, Southwest Airlines posted the faster year-over-year revenue change (12.8% vs 10.1%). Over the past eight quarters, Southern Company's revenue compounded faster (2.5% 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.

Southern Company is an American gas and electric utility holding company based in the Southern United States. It is headquartered in Atlanta, Georgia, with executive offices located in Birmingham, Alabama. As of 2021 it is the second largest utility company in the U.S. in terms of customer base. Through its subsidiaries it serves 9 million gas and electric utility customers in 6 states. Southern Company's regulated regional electric utilities serve a 120,000-square-mile (310,000 km2) territor...

LUV vs SO — Head-to-Head

Bigger by revenue
LUV
LUV
1.0× larger
LUV
$7.2B
$7.0B
SO
Growing faster (revenue YoY)
LUV
LUV
+2.7% gap
LUV
12.8%
10.1%
SO
Higher net margin
SO
SO
1.8% more per $
SO
4.9%
3.1%
LUV
Faster 2-yr revenue CAGR
SO
SO
Annualised
SO
2.5%
-0.7%
LUV

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
LUV
LUV
SO
SO
Revenue
$7.2B
$7.0B
Net Profit
$227.0M
$341.0M
Gross Margin
Operating Margin
13.1%
Net Margin
3.1%
4.9%
Revenue YoY
12.8%
10.1%
Net Profit YoY
252.3%
-26.8%
EPS (diluted)
$0.45
$0.38

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
SO
SO
Q1 26
$7.2B
Q4 25
$7.4B
$7.0B
Q3 25
$6.9B
$7.8B
Q2 25
$7.2B
$7.0B
Q1 25
$6.4B
$7.8B
Q4 24
$6.9B
$6.3B
Q3 24
$6.9B
$7.3B
Q2 24
$7.4B
$6.5B
Net Profit
LUV
LUV
SO
SO
Q1 26
$227.0M
Q4 25
$323.0M
$341.0M
Q3 25
$54.0M
$1.7B
Q2 25
$213.0M
$880.0M
Q1 25
$-149.0M
$1.3B
Q4 24
$262.0M
$466.0M
Q3 24
$67.0M
$1.5B
Q2 24
$367.0M
$1.2B
Operating Margin
LUV
LUV
SO
SO
Q1 26
Q4 25
5.3%
13.1%
Q3 25
0.5%
33.2%
Q2 25
3.1%
25.3%
Q1 25
-3.5%
25.9%
Q4 24
4.0%
16.7%
Q3 24
0.6%
32.6%
Q2 24
5.4%
30.0%
Net Margin
LUV
LUV
SO
SO
Q1 26
3.1%
Q4 25
4.3%
4.9%
Q3 25
0.8%
21.9%
Q2 25
2.9%
12.6%
Q1 25
-2.3%
16.3%
Q4 24
3.8%
7.3%
Q3 24
1.0%
21.1%
Q2 24
5.0%
18.6%
EPS (diluted)
LUV
LUV
SO
SO
Q1 26
$0.45
Q4 25
$0.56
$0.38
Q3 25
$0.10
$1.54
Q2 25
$0.39
$0.79
Q1 25
$-0.26
$1.21
Q4 24
$0.46
$0.48
Q3 24
$0.11
$1.39
Q2 24
$0.58
$1.09

Balance Sheet & Financial Strength

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

Metric
LUV
LUV
SO
SO
Cash + ST InvestmentsLiquidity on hand
$3.3B
$1.6B
Total DebtLower is stronger
$5.4B
$65.6B
Stockholders' EquityBook value
$6.9B
$36.0B
Total Assets
$20.4B
$155.7B
Debt / EquityLower = less leverage
0.78×
1.82×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
LUV
LUV
SO
SO
Q1 26
$3.3B
Q4 25
$3.2B
$1.6B
Q3 25
$3.0B
$3.3B
Q2 25
$3.8B
$1.3B
Q1 25
$8.3B
$2.3B
Q4 24
$8.7B
$1.1B
Q3 24
$9.4B
$1.0B
Q2 24
$10.0B
$1.2B
Total Debt
LUV
LUV
SO
SO
Q1 26
$5.4B
Q4 25
$4.6B
$65.6B
Q3 25
$4.1B
$64.6B
Q2 25
$4.1B
$63.0B
Q1 25
$4.1B
$62.9B
Q4 24
$5.1B
$58.8B
Q3 24
$5.1B
$61.3B
Q2 24
$5.1B
$59.9B
Stockholders' Equity
LUV
LUV
SO
SO
Q1 26
$6.9B
Q4 25
$8.0B
$36.0B
Q3 25
$7.8B
$38.3B
Q2 25
$8.0B
$37.3B
Q1 25
$9.4B
$37.2B
Q4 24
$10.3B
$33.2B
Q3 24
$10.4B
$36.9B
Q2 24
$10.5B
$36.1B
Total Assets
LUV
LUV
SO
SO
Q1 26
$20.4B
Q4 25
$29.1B
$155.7B
Q3 25
$28.3B
$153.2B
Q2 25
$28.7B
$148.9B
Q1 25
$33.2B
$148.1B
Q4 24
$33.8B
$145.2B
Q3 24
$34.8B
$144.0B
Q2 24
$35.6B
$141.9B
Debt / Equity
LUV
LUV
SO
SO
Q1 26
0.78×
Q4 25
0.57×
1.82×
Q3 25
0.52×
1.69×
Q2 25
0.51×
1.69×
Q1 25
0.44×
1.69×
Q4 24
0.49×
1.77×
Q3 24
0.49×
1.66×
Q2 24
0.48×
1.66×

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
SO
SO
Operating Cash FlowLast quarter
$1.4B
$2.6B
Free Cash FlowOCF − Capex
$-1.7B
FCF MarginFCF / Revenue
-24.2%
Capex IntensityCapex / Revenue
8.7%
61.4%
Cash ConversionOCF / Net Profit
6.25×
7.62×
TTM Free Cash FlowTrailing 4 quarters
$-2.9B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
LUV
LUV
SO
SO
Q1 26
$1.4B
Q4 25
$294.0M
$2.6B
Q3 25
$287.0M
$3.8B
Q2 25
$401.0M
$2.2B
Q1 25
$860.0M
$1.3B
Q4 24
$476.0M
$2.2B
Q3 24
$113.0M
$3.6B
Q2 24
$-23.0M
$2.7B
Free Cash Flow
LUV
LUV
SO
SO
Q1 26
Q4 25
$-565.0M
$-1.7B
Q3 25
$-391.0M
$559.0M
Q2 25
$-234.0M
$-619.0M
Q1 25
$359.0M
$-1.2B
Q4 24
$16.0M
$-576.0M
Q3 24
$-404.0M
$1.3B
Q2 24
$-517.0M
$563.0M
FCF Margin
LUV
LUV
SO
SO
Q1 26
Q4 25
-7.6%
-24.2%
Q3 25
-5.6%
7.1%
Q2 25
-3.2%
-8.9%
Q1 25
5.6%
-15.3%
Q4 24
0.2%
-9.1%
Q3 24
-5.9%
17.9%
Q2 24
-7.0%
8.7%
Capex Intensity
LUV
LUV
SO
SO
Q1 26
8.7%
Q4 25
11.5%
61.4%
Q3 25
9.8%
41.1%
Q2 25
8.8%
40.2%
Q1 25
7.8%
31.3%
Q4 24
6.6%
43.4%
Q3 24
7.5%
31.8%
Q2 24
6.7%
32.9%
Cash Conversion
LUV
LUV
SO
SO
Q1 26
6.25×
Q4 25
0.91×
7.62×
Q3 25
5.31×
2.21×
Q2 25
1.88×
2.48×
Q1 25
0.98×
Q4 24
1.82×
4.66×
Q3 24
1.69×
2.36×
Q2 24
-0.06×
2.23×

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%

SO
SO

Other$3.9B57%
Retail Electric Commercial$1.6B23%
Natural Gas Distribution Residential$689.0M10%
Natural Gas Distribution Transportation$371.0M5%
Wholesale Non Affiliates$123.0M2%
Natural Gas Distribution Other$76.0M1%
Wholesale Electric Non PPA Revenues$62.0M1%
Wholesale Affiliates$55.0M1%
Retail Electric Other$31.0M0%
Alternative Energy$20.0M0%
Natural Gas Distribution Industrial$15.0M0%

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