Research firm RootMetrics measured mobile service quality at America's 50 busiest airports for a new report.
Delta is the best airline in the U.S., that is, if you are looking for fewer canceled flights or mishandled bags and on-time arrivals.
Flyers hate paying those bag-check and cup-of-coffee fees. But airlines love collecting them.
Virgin America, the U.S. airline formed by billionaire Richard Branson's Virgin Group seven years ago, has filed for an IPO.