US airline on-time ranking
Alaska Airlines is the most on-time major US airline at 82.61% (departures within 15 minutes of schedule). The least punctual is Spirit Airlines at 58.96%. Based on 1,904,992 flights from US DOT BTS data. Last updated 2026-07-07.
| # | Airline | On-time | Avg delay | Cancelled |
|---|---|---|---|---|
| 1 | Alaska Airlines | 82.61% | 0.76 min | 1.15% |
| 2 | United Airlines | 81.43% | 6.11 min | 1.89% |
| 3 | Delta Air Lines | 80.76% | 4.13 min | 2.45% |
| 4 | Allegiant Air | 76.61% | 13.4 min | 0.86% |
| 5 | American Airlines | 76.32% | 8.53 min | 2.4% |
| 6 | Frontier Airlines | 73.38% | 12.25 min | 2.05% |
| 7 | Southwest Airlines | 73.31% | 5.06 min | 0.95% |
| 8 | JetBlue Airways | 72.04% | 12.43 min | 3.06% |
| 9 | Spirit Airlines | 58.96% | 22.66 min | 7.49% |
On-time = departed within 15 minutes of schedule. Source: US DOT Bureau of Transportation Statistics (BTS), Marketing Carrier On-Time Performance.
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Check your flightUS airline punctuality — FAQ
Which US airline is the most on time?
Alaska Airlines has the best on-time rate among major US carriers at 82.61% (departures within 15 minutes of schedule), based on US DOT BTS data across 117,767 recent flights.
Which US airline has the worst on-time record?
Spirit Airlines has the lowest on-time rate in this ranking at 58.96%, with a 7.49% cancellation rate.
Where does this data come from?
From the US Department of Transportation's Bureau of Transportation Statistics (BTS) Marketing Carrier On-Time Performance dataset — the official US source for airline punctuality.
