US Flight Delays in March 2026
By Sharon Ben-Moshe · US DOT data · last updated 2026-07-01
In March 2026, US airlines operated 612,102 domestic flights and 75% arrived on time, down 4.7 points from February 2026. Envoy Air led the reporting carriers at 80% on time; Spirit Airlines trailed at 54%.
- Flights
- 612,102
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 20 min
- Cancelled
- 2.9%
- vs Feb 2026
- -4.7 pts
- on-time change
Airline on-time rates in March 2026
Reporting carriers with at least 1,000 flights in the month.
| Airline | On-time | vs prior month | Avg delay | Flights |
|---|---|---|---|---|
| Envoy Air | 80% | -3.5 pts | 16 min | 26,721 |
| Delta Air Lines | 80% | -3.5 pts | 16 min | 86,890 |
| United Airlines | 79% | -5.3 pts | 18 min | 70,757 |
| Alaska Airlines | 78% | -4.9 pts | 14 min | 27,793 |
| SkyWest Airlines | 78% | -0.4 pts | 23 min | 73,391 |
| American Airlines | 74% | -4.4 pts | 23 min | 84,647 |
| Southwest Airlines | 74% | -7.4 pts | 16 min | 122,298 |
| Republic Airways | 73% | -7.0 pts | 21 min | 31,734 |
| Allegiant Air | 72% | -5.8 pts | 28 min | 12,522 |
| PSA Airlines | 71% | -1.9 pts | 31 min | 20,938 |
| Frontier Airlines | 70% | -8.2 pts | 27 min | 20,119 |
| JetBlue Airways | 70% | +2.1 pts | 23 min | 21,340 |
| Spirit Airlines | 54% | -14.2 pts | 38 min | 12,952 |
Most delayed large airports
Most reliable large airports
Most delay-prone routes in March 2026
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.
More reports
Based on 612,102 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.