US flight delays report: July 2025
US airlines reported 631,428 scheduled domestic flights in July 2025. 71.1% arrived on time, and 2.5% were cancelled. Hawaiian Airlines was the most punctual airline (79.6%), and Frontier Airlines the least (64.0%).
On-time arrivals
71%
arrived < 15 min late
Cancelled
2.5%
15,473 flights
Avg arrival delay
25 min
81 min when late
1 hr+ late
12.1%
631,428 flights tracked
Airline rankings, July 2025
| # | Airline | On time | Cancelled | Avg delay | Flights |
|---|---|---|---|---|---|
| 1 | Hawaiian Airlines | 79.6% | 0.7% | 12 min | 7,066 |
| 2 | SkyWest Airlines | 75.3% | 1.4% | 22 min | 75,877 |
| 3 | Delta Air Lines | 75.2% | 1.4% | 21 min | 94,066 |
| 4 | Spirit Airlines | 75.1% | 1.9% | 20 min | 17,307 |
| 5 | Envoy Air | 73.6% | 2.3% | 18 min | 27,489 |
| 6 | Republic Airways | 72.7% | 9.0% | 25 min | 30,396 |
| 7 | Southwest Airlines | 71.1% | 1.3% | 20 min | 125,677 |
| 8 | Allegiant Air | 69.9% | 0.4% | 29 min | 13,978 |
| 9 | United Airlines | 69.6% | 1.7% | 28 min | 69,788 |
| 10 | Alaska Airlines | 69.4% | 2.2% | 18 min | 23,619 |
| 11 | PSA Airlines | 69.1% | 7.1% | 34 min | 21,214 |
| 12 | JetBlue | 66.3% | 5.0% | 33 min | 20,690 |
| 13 | American Airlines | 65.0% | 3.4% | 34 min | 87,852 |
| 14 | Frontier Airlines | 64.0% | 2.9% | 34 min | 16,409 |
Most delayed major airports
Airports with 100+ departures a day.
Most on-time major airports
Most delayed busy routes
Routes with 5+ flights a day.
Most cancelled busy routes
What caused delays this month
- Late-arriving aircraft41%
- Airline (crew, maintenance, cleaning, fueling)31%
- Air traffic control & airport congestion21%
- Extreme weather7%
- Security0%
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, July 2025. Methodology.