Delta Air Lines, Inc.
Close on Nov 2, 2026Market cap $54.86BP/E 16.7Yield 0.81%
Delta Air Lines Available Seat Miles — ASM (million miles) by Year
Available Seat Miles — ASM (million miles) (M)
Delta Air Lines Available Seat Miles — ASM (million miles): 298,045M in FY2025, up 3.3% from a year earlier.
Where the FY2025 figure comes from
Source: Delta Form 8-K Earnings Release (2026-01-13) ↗
Continuous series of 31 quarters (FY2019Q1–FY2026Q3) and 7 years (FY2019–FY2025) from the Statistical Summary table of the quarterly Form 8-K earnings release (including both Mainline and Delta Connection regional flights under capacity purchase agreements).
Annual history
Hover a value to see the sentence it was read from; calculated values show their formula
| Period | Ended | Available Seat Miles — ASM (million miles) (M) | Year on year | Source |
|---|---|---|---|---|
| FY2025 | Dec 31, 2025 | 298,045 | +3.3% | Delta Form 8-K Earnings Release (2026-01-13) ↗ |
| FY2024 | Dec 31, 2024 | 288,394 | +6.0% | Delta Form 8-K Earnings Release (2026-01-13) ↗ |
| FY2023 | Dec 31, 2023 | 272,033 | +16.6% | Delta Form 8-K Earnings Release (2025-01-10) ↗ |
| FY2022 | Dec 31, 2022 | 233,226 | +19.9% | Delta Form 8-K Earnings Release (2024-01-12) ↗ |
| FY2021 | Dec 31, 2021 | 194,474 | +44.8% | Delta Form 8-K Earnings Release (2022-01-13) ↗ |
| FY2020 | Dec 31, 2020 | 134,339 | -51.2% | Delta Form 8-K Earnings Release (2021-01-14) ↗ |
| FY2019 | Dec 31, 2019 | 275,379 | – | Delta Form 8-K Earnings Release (2023-01-13) ↗ |
Breakdown
What makes up available Seat Miles — ASM (million miles)
Cite this data
StockData. (2026). Delta Air Lines Available Seat Miles — ASM (million miles) (M), annual FY2019–FY2025 [Data set]. Compiled from Delta Air Lines SEC filings and investor materials. https://stockdatahq.com/stocks/dal/kpis/asm-total
See every metric in the Delta Air Lines KPI table. Data updated Nov 1, 2026.