Here are the government's rankings of the leading airlines and their on-time performance for September. Some airlines, including Spirit and Allegiant, are not included because they operate fewer flights. The federal government counts a flight as on-time if it arrives within 14 minutes of schedule.


1. Hawaiian Airlines, 90.8 percent

2. Alaska Airlines, 87.2 percent

3. JetBlue Airways, 86.1 percent

4. AirTran Airways, 86.0 percent
5. Delta Air Lines, 85.7 percent
6. US Airways, 84.9 percent

7. Virgin America, 84.1 percent
8. American Airlines, 81.1 percent
9. SkyWest, 81.1 percent

10. Frontier Airlines, 80.9 percent
11. United Airlines, 80.7 percent
12. Southwest Airlines, 80.1 percent

13. ExpressJet, 74.4 percent
14. Envoy Air, 73.2 percent