Stocks Comparison
Delta Air Lines vs United Airlines: revenue, profit, margins and growth compared
Delta Air Lines brought in $63.4B of revenue in fiscal 2025, United Airlines $59.1B in fiscal 2025. Revenue changed by +2.8% at Delta Air Lines and +3.5% at United Airlines on the year before, so United Airlines grew faster. Delta Air Lines kept 7.9% of its revenue as net profit, United Airlines 5.7%. Free cash flow was $3.8B at Delta Air Lines and $2.6B at United Airlines.
Side by side, latest fiscal year
| DAL | UAL | |
|---|---|---|
| Fiscal year ended | FY2025 (December 31, 2025) | FY2025 (December 31, 2025) |
| Revenue | $63.4B | $59.1B |
| Revenue growth | +2.8% | +3.5% |
| Net income | $5B | $3.4B |
| Net margin | 7.9% | 5.7% |
| Free cash flow | $3.8B | $2.6B |
| Free cash flow margin | 6.1% | 4.3% |
| Earnings per share (diluted) | $7.66 | $10.20 |
| Cash | $4.3B | $5.9B |
| Debt | $13.3B | $21.3B |
| Price to earnings | 11.1 | 11.2 |
| Market value | $55.9B | $37B |
| Dividend yield | 0.79% | n/a |
| Rank by revenue in sector | #13 of 778 · Consumer discretionary | #16 of 778 · Consumer discretionary |
Over the years
Questions about Delta Air Lines and United Airlines
Which is bigger by revenue, Delta Air Lines or United Airlines?
Delta Air Lines is bigger by revenue: $63.4B in fiscal 2025, against $59.1B for United Airlines in fiscal 2025.
Which keeps more of its revenue as profit, Delta Air Lines or United Airlines?
Delta Air Lines had a net margin of 7.9% in fiscal 2025; United Airlines had 5.7% in fiscal 2025.
Which grew revenue faster, Delta Air Lines or United Airlines?
In their latest fiscal years revenue changed by +2.8% at Delta Air Lines and +3.5% at United Airlines.
Where do these numbers come from?
From the annual reports each company files with the SEC (10-K, or 20-F and 40-F for foreign companies), read from their XBRL data. Margins and growth are simple arithmetic on those figures. Nothing here is a recommendation.