Denver (29 of 100)
Cincinnati/Kentucky (34 of 100)
Houston George Bush (48 of 100)
Houston George Bush (48 of 100).
Hartsfield-Jackson, Atlanta (50 of 100)
San Francisco (51 of 100)
Dallas/Ft. Worth (56 of 100)
Dallas/Ft. Worth (56 of 100).
Seattle-Tacoma (62 of 100)
New York JFK (69 of 100)
Los Angeles (72 of 100)
Los Angeles (72 of 100).
Minneapolis-St. Paul (79 of 100)
