US Flight Delays in March 2025
By Sharon Ben-Moshe · US DOT data · last updated 2026-09-28
In March 2025, US airlines operated 600,872 domestic flights and 80% arrived on time, up 1.2 points from February 2025. Republic Airways led the reporting carriers at 84% on time; PSA Airlines trailed at 74%.
- Flights
- 600,872
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 15 min
- Cancelled
- 1.1%
- vs Feb 2025
- +1.2 pts
- on-time change
Airline on-time rates in March 2025
Reporting carriers with at least 1,000 flights in the month.
| Airline | On-time | vs prior month | Avg delay | Flights |
|---|---|---|---|---|
| Republic Airways | 84% | +6.0 pts | 11 min | 28,824 |
| Hawaiian Airlines | 83% | +0.2 pts | 10 min | 6,811 |
| United Airlines | 83% | +1.4 pts | 13 min | 66,994 |
| Southwest Airlines | 82% | -1.2 pts | 12 min | 122,432 |
| Delta Air Lines | 81% | +1.5 pts | 14 min | 84,487 |
| Spirit Airlines | 81% | -0.3 pts | 15 min | 19,828 |
| Alaska Airlines | 81% | +2.2 pts | 11 min | 18,925 |
| SkyWest Airlines | 80% | +3.7 pts | 17 min | 70,517 |
| Envoy Air | 79% | -1.3 pts | 14 min | 24,032 |
| Allegiant Air | 78% | +2.8 pts | 20 min | 13,355 |
| JetBlue Airways | 77% | +5.5 pts | 19 min | 21,304 |
| American Airlines | 77% | -2.7 pts | 20 min | 82,536 |
| Frontier Airlines | 75% | 0.0 pts | 21 min | 18,846 |
| PSA Airlines | 74% | +10.8 pts | 23 min | 21,981 |
Most delayed large airports
Most reliable large airports
Most delay-prone routes in March 2025
Routes with at least 60 flights in the month.
National figures are flight-weighted averages across all reporting carriers for the month; see the methodology for definitions and limitations.
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Based on 600,872 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.