Delta Air Lines — Income Statement, Cash Flows & Balance Sheet
Is Delta profitable?
Delta had its best net income in at least three years, driven by strong revenue growth and lower fuel costs — though a large investment gain flatters the headline number.
| Metric | 2024 | 2025 | Change |
|---|---|---|---|
| Total operating revenue ($M) | $61,643 | $63,364 | +2.8% |
| Total operating expense ($M) | $55,648 | $57,542 | +3.4% |
| Operating income ($M) | $5,995 | $5,822 | -2.9% |
| Aircraft fuel expense ($M) | $10,566 | $9,819 | -7.1% |
| Net income ($M) | $3,457 | $5,005 | +44.8% |
| Diluted EPS | $5.33 | $7.66 | +43.7% |
The jump in net income looks dramatic, but context matters: 2025 included a gain on investments of roughly $1.2 billion (largely from higher valuations on airline equity stakes such as LATAM and Hanjin-KAL), while 2024 had a $319 million loss on the same line. Strip those out and the underlying improvement is real but more modest — operating income actually dipped slightly year-over-year as salaries and other costs grew faster than revenue.
Where does Delta's revenue come from?
Passenger tickets are the engine, but Delta's loyalty program and refinery add meaningful diversity — and the airline segment does nearly all the heavy lifting.
| Revenue stream | 2024 | 2025 | Change |
|---|---|---|---|
| Passenger revenue ($M) | $50,894 | $51,768 | +1.7% |
| — of which loyalty travel awards ($M) | $3,841 | $4,237 | +10.3% |
| Other revenue — refinery ($M) | $4,642 | $5,077 | +9.4% |
| Other revenue — loyalty program ($M) | $3,297 | $3,362 | +2.0% |
| Airline segment operating income ($M) | $5,957 | $5,665 | -4.9% |
| Refinery segment operating income ($M) | $38 | $157 | +313% |
The American Express co-brand partnership — the heart of the loyalty program — generated $8.0 billion in total cash sales in 2025, up from $7.4 billion, making it one of Delta's most valuable and durable revenue streams. The refinery swung from barely profitable to a more meaningful contributor, though it remains a small slice of the total. Geographically, domestic flying still accounts for the majority of revenue, while Pacific routes showed the strongest growth percentage among international regions.
Does Delta generate cash?
Delta is a strong cash generator, and it used that cash to pay down debt aggressively while returning more to shareholders.
| Metric | 2024 | 2025 | Change |
|---|---|---|---|
| Operating cash flow ($M) | $8,025 | $8,342 | +4.0% |
| Capital expenditures ($M) | $(5,140) | $(4,499) | -12.5% |
| Free cash flow (GAAP operating CF minus capex) ($M) | $2,885 | $3,843 | +33.2% |
| Debt repayments ($M) | $(3,953) | $(4,827) | +22.1% |
| Dividends paid ($M) | $(321) | $(440) | +37.1% |
Delta generated over $8 billion from operations for the second year running — a sign the underlying business produces cash consistently, not just on paper. Capital spending fell as the prior cycle of heavy airport and fleet investment eased, which freed up meaningfully more free cash flow. The company put that cash to work by paying down nearly $5 billion in debt and raising the dividend, showing confidence in its financial trajectory.
How strong is Delta's balance sheet?
Delta cut its debt load substantially and boosted equity, but total obligations remain large when leases and pensions are factored in.
| Metric | 2024 | 2025 | Change |
|---|---|---|---|
| Total debt (excl. finance leases) ($M) | $15,347 | $13,308 | -13.3% |
| Cash and cash equivalents ($M) | $3,069 | $4,310 | +40.4% |
| Revolving credit available ($M) | — | ~$3,100 | — |
| Total stockholders' equity ($M) | $15,293 | $20,853 | +36.4% |
| Pension funded status — defined benefit ($M) | $938 | $2,258 | +141% |
Debt fell by over $2 billion and the pension plan moved into a much healthier surplus position, helped by strong investment returns on plan assets. Liquidity looks solid, with cash plus available credit lines well above the $2 billion minimum required by debt covenants. The main caveat is that Delta still carries roughly $15 billion in aircraft purchase commitments through 2029, so capital needs will stay elevated for several years.