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Southwest Airlines key statistics and ratios

In fiscal 2025, Southwest Airlines had return on equity of 4.8%, an operating margin of 1.5%, debt equal to 61.8% of equity and a current ratio of 0.52. Each ratio below is calculated from the figures on its income statement, balance sheet and cash flow pages.

Financial ratios

US$ thousands unless shown otherwise. Fiscal years, plus the last twelve months (LTM) when newer.

Southwest Airlines: financial ratios, annual
Fiscal year2009Dec 20092010Dec 20102011Dec 20112012Dec 20122013Dec 20132014Dec 20142015Dec 20152016Dec 20162017Dec 20172018Dec 20182019Dec 20192020Dec 20202021Dec 20212022Dec 20222023Dec 20232024Dec 20242025Dec 2025LTMSept 2026
Operating margin2.5%8.2%4.4%3.6%7.2%12.0%20.8%17.2%16.1%14.6%13.2%−42.2%10.9%4.3%0.9%1.2%1.5%4.4%
Net margin1.0%3.8%1.1%2.5%4.3%6.1%11.0%10.7%15.9%11.2%10.3%−34.0%6.2%2.3%1.8%1.7%1.6%3.3%
Free-cash-flow margin3.9%8.8%2.5%4.2%5.8%6.2%6.0%11.0%8.5%13.5%13.2%−18.1%11.5%−0.6%−1.4%−5.8%−3.0%−1.4%
Return on equity1.8%7.9%2.7%6.1%10.5%16.1%32.2%30.0%38.5%25.3%23.4%−32.9%10.1%5.1%4.4%4.5%4.8%13.8%
Return on assets0.7%3.1%1.1%2.3%4.0%5.8%10.6%9.8%13.9%9.6%8.8%−10.2%2.8%1.5%1.3%1.3%1.4%3.5%
Asset turnover0.730.810.930.930.930.950.970.920.870.860.860.300.450.660.730.780.891.06
Current ratio1.251.290.960.910.790.660.540.660.700.640.672.021.971.431.140.920.520.47
Debt to equity65.1%54.6%54.5%45.4%38.7%40.0%47.3%43.8%38.3%34.5%27.2%117.0%103.3%75.9%76.3%64.8%61.8%80.3%
Interest cover (operating income ÷ interest)1.4x5.9x3.6x4.2x9.8x17.1x34.0x28.9x29.9x24.5x25.1x——3.0x0.9x1.3x2.6x5.9x
Effective tax rate39.6%38.4%44.9%38.5%37.6%37.4%37.3%36.7%−2.8%22.1%22.2%—26.3%26.0%26.5%22.2%21.7%22.2%
Capital spending as % of revenue5.7%4.1%6.2%7.9%8.2%9.4%10.3%10.0%10.0%8.8%4.6%5.7%3.2%16.5%13.5%7.5%9.5%10.2%
Free cash flow ÷ net income404.0%232.7%218.0%170.1%136.6%101.6%54.9%103.3%53.8%120.5%128.7%—186.0%−24.9%−76.6%−342.4%−188.4%−42.6%
Dividends ÷ net income13.1%2.8%7.9%5.2%9.4%12.2%8.3%10.2%8.2%13.5%16.2%—0.0%0.0%92.0%92.5%90.5%33.9%
Dividends and buybacks ÷ free cash flow3.3%1.2%61.6%58.9%59.3%94.8%113.6%87.5%103.8%78.5%80.1%—0.0%—————

Returns use average equity or assets over the year. Return on equity is left blank when equity is negative or so small that the ratio says nothing (above ±200%); interest cover is left blank above 200 times. Price-based ratios such as P/E are on the valuation page.

Financial health

3 of 6 checks passed · September 30, 2026
What it owns · $30.5bn
Short-term assets $6.5bnLonger-term assets $24.0bn
What it owes, and who funded it · $21.1bn
Short-term liabilities $13.7bnShareholders' equity $7.3bn
  • Short-term assets cover short-term liabilities $6.5bn of assets due within a year against $13.7bn of liabilities due within a year.
  • Short-term assets cover long-term liabilities Not assessable from the reported split. Not assessable.
  • More cash than debt $3.6bn of cash against $3.7bn of debt.
  • Debt below 40% of shareholders' equity Debt is 51% of equity.
  • Debt burden no higher than five years ago Debt to equity moved from 99% to 51% over five years.
  • A year's operating cash flow covers at least 20% of debt $2.8bn of operating cash flow against $3.7bn of debt.
  • Operating profit covers interest at least five times over Operating income of $1.4bn against $235m of interest.

From Southwest Airlines's latest balance sheet as filed. Checks are fixed, documented rules (methodology), counted only where the company reports the figures — a dot means the filing doesn't break the item out. Descriptions of reported data, not advice.

Moat

33 /100

Weak moat

How hard Southwest Airlines's competitive advantage looks for rivals to wear away, judged from 10 years of its own filings: returns on capital, pricing power, profit durability, cash conversion and discipline.

  • Returns on capital 1 / 20

    Net income has been a median 2.4% of total assets over 10 years.

  • Durability 0 / 20

    Operating margin has been a median 3.6%; its worst year was -15.5%.

  • Cash conversion 6 / 20

    Free cash flow was positive in 5 of 10 years, at a median 0.9% of revenue.

  • Discipline 20 / 20

    The diluted share count fell 14.5% over five years; stock-based pay has been a median 0.1% of revenue.

AI disruption exposure: Low. In this industry, the business rests on physical assets, regulated networks or products AI itself depends on.

A rules-based reading of reported figures, not a forecast and not investment advice. How the score is built: methodology.

Compare with peers

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More: Passenger Airlines stocks compared, Industrials sector, rankings of US companies

Figures from Southwest Airlines's SEC filings (10-K and 10-Q), retrieved October 23, 2026. How we read and check them: methodology and data sources. Not investment advice. Back to Southwest Airlines.