1. (tie) New York's John F. Kennedy (JFK)
Delayed flights: 35%JFK plummets to the bottom of the list after not even appearing in the worst 10 in 2006.See the 2006 Best & Worst Airports results hereSee how New York stacks up in our list of America's Favorite CitiesSource: Bureau of Transportation Statistics
From article The Worst U.S. Airports.