An aviation dean and a marketing professor ranked the 12 largest U.S. airlines by analyzing 2016 U.S. Department of Transportation figures for on-time flights, lost baggage, the number of passengers bumped off flights, and complaint rates:
- Alaska Airlines (ranked 5th in 2015)
- Delta Air Lines (3)
- Virgin America (1)
- JetBlue Airways (2)
- Hawaiian Airlines (4)
- Southwest Airlines (6)
- SkyWest (7)
- United Airlines (8)
- American Airlines (10)
- ExpressJet (9)
- Spirit Airlines (13)
- Frontier (11)
NOTE: The 2015 rankings included 13 airlines. Envoy Air was not ranked in 2016.