If you’ve ever been stranded due to a canceled flight, you know it’s an experience you want to avoid at all costs. If that’s the case, you might want to reconsider booking a flight on one of these U.S. airlines which have the highest rates of cancellations.
According to a new study by QR Code Generator, which analyzed flight cancellation data from August 2023 to July 2024, Frontier Airlines had the highest cancellation rate, with 2.22 percent of its scheduled flights being canceled.
Endeavor Air and Mesa Airlines follow closely behind, ranking second and third with cancellation rates of 2.21 percent and 2.10 percent, respectively.
If you’re looking for the airlines that are the least likely to cancel your flight, you might want to book on regional carrier Piedmont Airlines, which canceled just 0.51 percent of flights. For a major carrier, Southwest Airlines had the best track record, canceling 0.81 percent of flights.
Here’s a breakdown of the top 10 U.S. airlines with the highest flight cancellations between August 2023 and July 2024:
| Airline | Scheduled Flights | Canceled Flights | Cancellation Rate | |
| 1 | Frontier Airlines | 200,296 | 4,443 | 2.22% |
| 2 | Endeavor Air | 203,418 | 4,491 | 2.21% |
| 3 | Mesa Airlines | 90,957 | 1,914 | 2.10% |
| 4 | GoJet Airlines | 48,997 | 979 | 2.00% |
|
5 (Tie) |
a) CommuteAir b) Republic Airways |
a) 68,794 b) 285,131 |
a) 1,363 b) 5,638 |
a) 1.98% b) 1.98% |
| 6 | Alaska Airlines | 244,375 | 4,427 | 1.81% |
| 7 | Spirit Airlines | 268,322 | 4,386 | 1.63% |
| 8 | United Airlines | 747,315 | 11,578 | 1.55% |
| 9 | PSA Airlines | 207,629 | 3,024 | 1.46% |
| 10 | JetBlue Airways | 250,887 | 3,569 | 1.42% |
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