Delta Air Lines (DAL) 10-K Red Flags
Risk signals extracted deterministically from Delta Air Lines’s SEC 10-K/10-Q XBRL filings — no LLM, every finding cites the underlying data.
Detected red flags (15)
- Material weakness in internal controls: The term "material weakness" appears in 19 recent filing(s) (vs 2 in the prior period). This risk language is ongoing.
- NEW: Substantial doubt about ability to continue in latest filing: The term "substantial doubt" "ability to continue" appears in recent 10-K/10-Q filings but was NOT present in the prior 24-month period. This is a new risk disclosure that warrants attention. Found in 12 filing(s).
- Operating cash flow exceeds net income: OCF is 1.40x net income, indicating high earnings quality — cash conversion is strong and accruals are not inflating reported profits.
- NEW: Off-balance sheet arrangements: Off-balance sheet arrangements appears in recent filings but not in the prior 24-month period. Monitor for materiality.
- Endogenous analysis: 2 risk signal(s) detected versus 1 positive signal(s). The balance of evidence suggests elevated filing-specific risk that warrants monitoring in subsequent filings.
- 1 new XBRL disclosure(s) in latest filing — expanding reporting scope.
- 20 disclosure(s) dropped from prior year — reduced reporting granularity.
- 2 new risk-language term(s) detected in filing text: Substantial doubt about ability to continue, Off-balance sheet arrangements.
- Ongoing high-severity risk language: Material weakness in internal controls.
- Market cap $60.94B at $92.75 per share.
- Trailing P/E 12.94, P/S 6.70, P/B 2.99.
- Composite risk: Elevated.
- Leverage debt/equity 0.65 (moderate).
- Material weakness in internal controls: The term "material weakness" appears in 19 recent filing(s) (vs 2 in the prior period). This risk language is ongoing.
- NEW: Substantial doubt about ability to continue in latest filing: The term "substantial doubt" "ability to continue" appears in recent 10-K/10-Q filings but was NOT present in the prior 24-month period. This is a new risk disclosure that warrants attention. Found in 12 filing(s).
Filings & ownership
- Latest annual report (10-K) filed Feb 11, 2026.
- Latest quarterly report (10-Q) filed Apr 8, 2026.
- 11 recent 8-K material-event filings in the index.
- Recent insider Form 4s: 0 buy vs 0 sell transactions.
- ~10,000+ recent 13F-HR filings reference Delta Air Lines; broad institutional reporting.
- Recent filers include LANSDOWNE PARTNERS (UK) LLP, LANSDOWNE PARTNERS (UK) LLP, MARATHON ASSET MANAGEMENT LP.
- 12 recent 13D activist/beneficial-ownership filings — potential catalyst.
- 8 recent 13G passive institutional ownership notices.
Full DAL analyst report
Valuation (DCF & Graham), technicals, macro exposure, risk scorecard and 13F/13D ownership.
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