1. Denver International Airport (DEN)
2. Dallas/Fort Worth International Airport (DFW)
3. Orlando International Airport (MCO)
4. Washington Dulles International Airport (IAD)
5. George Bush Intercontinental Airport (IAH)
6. Salt Lake City International Airport (SLC)
7. O'Hare International Airport (ORD)
8. San Francisco International Airport (SFO)
9. John F. Kennedy International Airport (JFK)
10. Detroit Metropolitan Airport (DTW)(Washington, D.C.)