US Airline On-Time Performance Rankings
Active US airlines ranked by the share of flights that arrived 15 or more minutes late, from BTS on-time reporting. Delay window: January 2023 to December 2025. Cancellation window: 2024 to 2025. US network delay rate 21.2%, cancellation rate 1.41%.
Airline delay ranking
Lowest delay rate first| Rank | Airline | Delayed 15+ min | Flights | Cancelled |
|---|
| 1 | Delta Air Lines | 17.8% | 2,983,184 | 1.00% |
| 2 | United Airlines | 20.7% | 2,252,227 | 1.22% |
| 3 | Southwest Airlines | 21.3% | 4,202,672 | 0.84% |
| 4 | Alaska Airlines | 21.6% | 724,893 | 1.58% |
| 5 | Allegiant Air | 24.2% | 359,199 | 1.06% |
| 6 | American Airlines | 25.0% | 2,847,015 | 1.68% |
| 7 | JetBlue Airways | 27.8% | 730,301 | 1.60% |
| 8 | Frontier Airlines | 29.3% | 571,133 | 2.05% |
American Airlines runs 20.3% delayed at Sky Harbor (PHX) and 31.4% at DFW, so the same airline can perform very differently by airport.
Historical records
- Spirit Airlines: 25.2% delayed (705,662 flights). ceased operations May 2, 2026; historical record.
- Hawaiian Airlines: 18.9% delayed (236,810 flights). Historical. Hawaiian was fully integrated into Alaska Airlines in April 2026 and is modelled under Alaska.
US airline cancellation rates | US airport delay rankings