The Worst U.S. Airports
Delayed flights: 35%
O'Hare's 28% delay rate last year made it No. 1; its drop means it maintains the dubious title (tied with JFK) of America's airport with the most delays.
See the 2006 Best & Worst Airports results here
See how Chicago stacks up in our list of America's Favorite Cities
Source: Bureau of Transportation Statistics