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DELTA AIR LINES, INC. due diligence

Who DELTA AIR LINES, INC. (DAL) is on the public record: identity, annual results, what it filed in the last year and why, straight from SEC EDGAR.

1002 filings in EDGAR's recent index, 520 of them Form 4 insider filings · view the filings on SEC EDGAR · source: SEC EDGAR submissions index and XBRL financial data

At a glance

DELTA AIR LINES, INC. (DAL) is a large accelerated filer incorporated in Delaware, classified under SIC 4512 (Air Transportation, Scheduled), and lists on NYSE. Its fiscal year ends December 31. It has also filed as DELTA AIR LINES INC /DE/.

For the fiscal year ended December 31, 2025, its 10-K reported revenue of $63.4B, up 2.8% from the year before, net income of $5.0B, and total assets of $81.3B.

In the twelve months to October 9, 2026 it made 141 filings on EDGAR, including 1 annual report, 3 quarterly reports, 13 current reports on Form 8-K, and 68 Form 4 insider filings. Its 8-Ks were filed most often for results of operations (5), a material agreement (3), and officer or director changes (3).

CIK
0000027904
Filer status
Large accelerated filer
Industry (SIC)
Air Transportation, Scheduled (4512)
Incorporated
Delaware
Listed on
NYSE
Tickers
DAL
Fiscal year end
12-31

Annual results

Fiscal year endedRevenueNet incomeTotal assets
2025-12-31$63.4B +2.8%$5.0B +44.8%$81.3B
2024-12-31$61.6B +6.2%$3.5B -25.0%$75.4B
2023-12-31$58.0B$4.6B$73.6B
As reported in each 10-K's XBRL data on SEC EDGAR (revenue tag RevenueFromContractWithCustomerExcludingAssessedTax); a later 10-K's restatement replaces the earlier figure.
FilingFiledPeriodAccession
Annual report (10-K)2026-02-112025-12-310000027904-26-000013
Quarterly report (10-Q)2026-07-102026-06-300000027904-26-000031
Current report (8-K)2026-10-092026-10-090000027904-26-000035

Filing activity

141 filings since 2025-10-09. By form:

4
68
144
35
8-K
13
SCHEDULE 13G
5
13F-HR
4
3
4
10-Q
3
SCHEDULE 13G/A
2

8-K items in the last 12 months: results of operations (Item 2.02, 5) · a material agreement (Item 1.01, 3) · officer or director changes (Item 5.02, 3) · Regulation FD disclosures (Item 7.01, 2) · a new financial obligation (Item 2.03, 1) · shareholder vote results (Item 5.07, 1).

FiledFormDocumentPeriod
2026-10-098-K8-K2026-10-09
2026-08-28N-PXForm N-PX filing2026-06-30
2026-08-14SCHEDULE 13G/ASchedule 13G amendment
2026-08-1413F-HRForm 13F-HR filing2026-06-30
2026-08-064Form 4 insider filing2026-08-05
2026-08-064/AForm 4/A filing2026-08-04
2026-08-064Form 4 insider filing2026-08-05
2026-08-06SCHEDULE 13GSchedule 13G ownership filing
2026-08-054Form 4 insider filing2026-08-04
2026-08-054Form 4 insider filing2026-08-04
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The full due-diligence dossier on DELTA AIR LINES, INC.

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DAL insider filingsAll company profiles13F fund holdingsAll reports

Generated from public SEC EDGAR filings. Filing data is shown as filed. This is information, not investment advice.