DELTA AIR LINES, INC. Income Taxes Disclosure
| Components of income tax provision | |||||||||||
Year Ended December 31, | |||||||||||
| (in millions) | 2025 | 2024 | 2023 | ||||||||
| Current tax provision: | |||||||||||
| Federal | $ | (10) | $ | — | $ | — | |||||
| State and local | (17) | (35) | (8) | ||||||||
| International | (44) | (11) | (11) | ||||||||
| Deferred tax provision: | |||||||||||
| Federal | (970) | (1,038) | (896) | ||||||||
| State and local | (139) | (117) | (84) | ||||||||
| Income tax provision | $ | (1,180) | $ | (1,201) | $ | (999) | |||||
| Reconciliation of statutory federal income tax rate to the effective income tax rate | ||||||||||||||||||||
Year Ended December 31, | ||||||||||||||||||||
| 2025 | 2024 | 2023 | ||||||||||||||||||
| (in millions, except for percentages) | Amount | Percent | Amount | Percent | Amount | Percent | ||||||||||||||
| U.S. federal statutory income tax rate | $ | 1,299 | 21.0 | % | $ | 978 | 21.0 | % | $ | 1,178 | 21.0 | % | ||||||||
State and local income tax, net of federal income tax effect(1) | 123 | 2.0 | 115 | 2.5 | 112 | 2.0 | ||||||||||||||
| Nontaxable or nondeductible items | 41 | 0.7 | 59 | 1.3 | 46 | 0.8 | ||||||||||||||
| Changes in valuation allowances | (272) | (4.4) | 89 | 1.9 | (274) | (4.9) | ||||||||||||||
| Other | (11) | (0.2) | (40) | (0.9) | (63) | (1.1) | ||||||||||||||
| Effective income tax rate | $ | 1,180 | 19.1 | % | $ | 1,201 | 25.8 | % | $ | 999 | 17.8 | % | ||||||||
| Significant components of deferred income tax assets and liabilities | ||||||||
December 31, | ||||||||
| (in millions) | 2025 | 2024 | ||||||
| Deferred tax assets: | ||||||||
| Net operating loss carryforwards | $ | 694 | $ | 799 | ||||
| Pension, postretirement and other benefits | 916 | 1,205 | ||||||
| Investments | 593 | 936 | ||||||
| Deferred revenue | 2,254 | 2,158 | ||||||
| Lease liabilities | 2,660 | 2,816 | ||||||
| Other | 488 | 608 | ||||||
| Valuation allowance | (643) | (951) | ||||||
| Total deferred tax assets | $ | 6,962 | $ | 7,571 | ||||
| Deferred tax liabilities: | ||||||||
| Depreciation | $ | 7,839 | $ | 7,040 | ||||
| Operating lease assets | 1,264 | 1,369 | ||||||
| Intangible assets | 1,188 | 1,165 | ||||||
| Other | 114 | 78 | ||||||
| Total deferred tax liabilities | $ | 10,405 | $ | 9,652 | ||||
| Balance Sheet Position: | ||||||||
| Other noncurrent assets | $ | 1 | $ | 95 | ||||
| Deferred income taxes, net | 3,444 | 2,176 | ||||||
Net deferred tax liabilities | $ | 3,443 | $ | 2,081 | ||||
| Valuation allowance activity | ||||||||
| (in millions) | 2025 | 2024 | ||||||
| Balance at January 1 | $ | 951 | $ | 877 | ||||
| Tax provision | (308) | 74 | ||||||
| Balance at December 31 | $ | 643 | $ | 951 | ||||
Historical Timeline
| Fiscal Year | Filed | |
|---|---|---|
| 2025 | Feb 11, 2026 | Showing above |
| 2024 | Feb 11, 2025 | |
| 2023 | Feb 12, 2024 | |
| 2022 | Feb 10, 2023 | |
| 2021 | Feb 11, 2022 | |
| 2020 | Feb 12, 2021 | |
| 2019 | Feb 13, 2020 | |
| 2018 | Feb 15, 2019 | |
| 2017 | Feb 23, 2018 | |
| 2016 | Feb 13, 2017 | |
| 2015 | Feb 5, 2016 | |
About Income Taxes Disclosures
The income tax disclosure reveals how much a company actually pays in taxes versus what the statutory rate would predict. Analysts focus on the effective tax rate (ETR) reconciliation, which breaks down every item driving the gap between the 21% federal rate and the company's reported ETR — including R&D credits, foreign rate differentials, and state taxes. Deferred tax assets (DTAs) and their valuation allowances signal management's confidence in future profitability: a rising allowance suggests the company doubts it can use accumulated tax benefits. Uncertain tax benefit (UTB) reserves quantify exposure to IRS challenges on aggressive positions.
Key signals to watch: sudden ETR drops without clear operational reasons, large increases in valuation allowances, growing UTB balances, and significant unremitted foreign earnings. Post-TCJA, pay attention to GILTI and BEAT provisions that affect multinational tax structures. Compare the cash taxes paid (from the cash flow statement) against the income tax provision to gauge earnings quality.