Forensic Analysis · Transportation / Logistics · as of Aug 11, 2026

Southwest Airlines Co (LUV)

A forensic read on Southwest Airlines Co built from its complete SEC filings — financial-health screens, earnings quality, red flags and a price-aware rating. Reproducible math, not opinion.

D · Weak — demands caution

Forensic grade

Grey Zone

Financial health

1.9

Distress distance

Watch

Earnings quality

Forensic signals

27.3

P / E (ttm)

5.5%

ROE

$22.1B

Market cap

1.53%

Dividend yield

2.1%

Revenue growth

This free snapshot doesn't read filing or proxy text, so the auditor-quality and governance checks that can lower a grade were not evaluated (red flags, auditor quality, say on pay, board independence). Those checks only ever lower a grade, so the full analysis can land below the grade above but never above it — treat it as the most favourable reading, not the settled one.

Southwest Airlines Co earns a D (Weak — demands caution) forensic quality grade, and its balance-sheet distress test reads 1.9, placing it in the Grey zone. 2 forensic signals were flagged in its latest SEC filings, led by return on invested capital.

What the filings flag

2.2%

FY2025

Return on invested capital. Return on invested capital is 2.2% in the latest fiscal year and slipping from 5% — well below its ~9% cost of capital, so reinvested dollars may be destroying value, not building it.

FCF ($831M)

FY2025

Shareholder returns. Returned $2.9B to shareholders (buybacks + dividends) in FY2025, but free cash flow was ($831M) after capex — there was no free cash flow to fund the payout from at all, though operating cash flow alone was $1.8B — 160% of that. The entire return is coming from debt or cash reserves, not cash the business itself generated — a harder case than returns merely running ahead of free cash flow, since here there was none to run ahead of.

Key fundamentals

Latest Revenue$28.06B

Revenue Growth YoY+2.1%

Revenue CAGR (3yr)+5.6%

Net Margin1.6%

Free Cash Flow-$831.0M

Return on Equity5.5%

Debt / Equity0.62x

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Data from SEC EDGAR public filings · metrics as of Aug 11, 2026. Forensic signals flag probability, not certainty.