U.S. Airlines
18 airlines with flight performance data.
| Code | Airline | Flights | On-Time | Avg Delay (when late) | Top Delay Cause |
|---|---|---|---|---|---|
| WN | Southwest Airlines | 7,582,834 | 80.4% | 57.9 min | Late Aircraft |
| DL | Delta Air Lines | 5,242,763 | 84.6% | 76.0 min | Carrier |
| AA | American Airlines | 5,078,840 | 78.6% | 85.4 min | Late Aircraft |
| OO | SkyWest Airlines | 4,343,656 | 83.6% | 86.8 min | Carrier |
| UA | United Airlines | 3,669,461 | 81.3% | 75.7 min | Late Aircraft |
| YX | Republic Airways | 1,812,114 | 84.9% | 73.3 min | Late Aircraft |
| MQ | Envoy Air | 1,521,802 | 82.5% | 67.4 min | Late Aircraft |
| B6 | JetBlue Airways | 1,366,470 | 73.8% | 81.0 min | Carrier |
| OH | PSA Airlines | 1,300,525 | 81.3% | 84.0 min | Late Aircraft |
| AS | Alaska Airlines | 1,292,316 | 80.8% | 56.5 min | Late Aircraft |
| NK | Spirit Airlines | 1,278,352 | 77.6% | 73.7 min | NAS |
| 9E | Endeavor Air | 1,111,655 | 88% | 81.4 min | Carrier |
| F9 | Frontier Airlines | 968,030 | 73.7% | 80.3 min | Late Aircraft |
| G4 | Allegiant Air | 694,895 | 75.3% | 81.5 min | Late Aircraft |
| HA | Hawaiian Airlines | 414,402 | 83.1% | 57.0 min | Carrier |
| YV | Mesa Airlines | 410,786 | 83.1% | 89.3 min | Carrier |
| QX | Horizon Air | 200,419 | 85.7% | 59.0 min | Late Aircraft |
| EV | ExpressJet Airlines | 52,135 | 89.8% | 66.7 min | NAS |