#10 Los Angeles (LAX)
Flights delayed: 21%*
Delays increased by a percentage point from 2007, but LAX was still able to hold onto a spot in our list.
*Figures indicate the percentage of all flights that departed more than 15 minutes behind schedule from January 1, 2008, to August 31, 2008, and are from the U.S. Department of Transportation.
America's Best and Worst Airports 2008