Ever rush to Denver International Airport only to spend hours waiting for your flight to arrive and/or take off? You're not alone -- but which carriers do the best job of preventing such problems? Fox31
analyzed the 232,174 flights that departed from DIA last year, then measured the performance of the five main airlines -- ExpressJet, Frontier, SkyWest, Southwest and United -- to determine the percentage of time when they took off exactly as scheduled and arrived right on the mark or early. And frankly, the numbers aren't all that impressive for even the best of the bunch.