America's Best Airlines 2008
On-time Arrivals: 78%*
Frontier’s performance only dipped by a percentage point, but it was almost enough to boot them from the top 5.
* Figures are from the latest report by the U.S. Department of Transportation (released October 2008). They indicate the percentage of flights that arrived on time from September 1, 2007, to August 31, 2008.