1. Hawaiian Airlines, 93.02 per cent

2. Alaska Airlines, 86.83 per cent

3. Delta Air Lines, 85.56 per cent

4. AirTran Airways, 81.21 per cent

5. US Airways, 80.99 per cent

6. Virgin America, 80.68 per cent

7. Pinnacle Airlines, 79.71 per cent

8. SkyWest Airlines, 79.71 per cent

9. Southwest Airlines, 78.40 per cent

10. Mesa Airlines, 77.24 per cent

11. United Airlines, 76.12 per cent

12. American Airlines, 72.29 per cent

13. JetBlue Airways, 71.78 per cent

14. ExpressJet, 70.97 per cent

15. Frontier Airlines, 68.61 per cent

16. American Eagle, 66.87 per cent

Average of all airlines, 77.30 per cent

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Source: U.S. Department of Transportation”

Stephen