United Airlines Holdings, Inc.
Close on Nov 3, 2026Market cap $34.80BP/E 9.8Yield –
United Airlines Available Seat Miles (ASM, millions) by Year
Available Seat Miles (ASM, millions) (M)
United Airlines Available Seat Miles (ASM, millions): 330,284M in FY2025, up 6.1% from a year earlier. That is the highest of the 8 years on record here.
Where the FY2025 figure comes from
Source: SEC 8-K EX-99.1 Earnings Release (FY2025Q4, 0000100517-26-000014, filed 2026-01-20) ↗
Continuous 32-quarter (FY2018Q4-FY2026Q3) and 8-year (FY2018-FY2025) series from Form 8-K Consolidated Operating Statistics (includes Mainline and United Express regional flights).
Annual history
Hover a value to see the sentence it was read from; calculated values show their formula
| Period | Ended | Available Seat Miles (ASM, millions) (M) | Year on year | Source |
|---|---|---|---|---|
| FY2025 | Dec 31, 2025 | 330,284 | +6.1% | SEC 8-K EX-99.1 Earnings Release (FY2025Q4, 0000100517-26-000014, filed 2026-01-20) ↗ |
| FY2024 | Dec 31, 2024 | 311,185 | +6.8% | SEC 8-K EX-99.1 Earnings Release (FY2024, 0000100517-25-000013, filed 2025-01-21) ↗ |
| FY2023 | Dec 31, 2023 | 291,333 | +17.5% | SEC 8-K EX-99.1 Earnings Release (FY2023, 0000100517-24-000016, filed 2024-01-22) ↗ |
| FY2022 | Dec 31, 2022 | 247,858 | +38.7% | SEC 8-K EX-99.1 Earnings Release (FY2022Q4, 0000100517-23-000016, filed 2023-01-17) ↗ |
| FY2021 | Dec 31, 2021 | 178,684 | +45.5% | SEC 8-K EX-99.1 Earnings Release (FY2021Q4, 0000100517-22-000004, filed 2022-01-19) ↗ |
| FY2020 | Dec 31, 2020 | 122,804 | -56.9% | SEC 8-K EX-99.1 Earnings Release (FY2020Q4, 0000100517-21-000005, filed 2021-01-20) ↗ |
| FY2019 | Dec 31, 2019 | 284,999 | +3.5% | SEC 8-K EX-99.1 Earnings Release (Q4 2019, 0000100517-20-000004, filed 2020-01-21) ↗ |
| FY2018 | Dec 31, 2018 | 275,262 | – | SEC 8-K EX-99.1 Earnings Release (Q4 2019, 0000100517-20-000004, filed 2020-01-21) ↗ |
Breakdown
What makes up available Seat Miles (ASM, millions)
Cite this data
StockData. (2026). United Airlines Available Seat Miles (ASM, millions) (M), annual FY2018–FY2025 [Data set]. Compiled from United Airlines SEC filings and investor materials. https://stockdatahq.com/stocks/ual/kpis/er-asm
See every metric in the United Airlines KPI table. Data updated Nov 3, 2026.
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