In the study Delta received top marks for the fewest cancelled flights and most-improved customer service. Seattle-based Alaska Airlines had the best rating for on-time arrivals, with more than 89% of flights arriving on-time.
JetBlue had the most cancelled flights, but bumped the lowest number of passengers. The detailed list is available on Airfarewatchdog's website at the link above.
| Airline || Overall Ranking |
| Delta || 1st |
| Virgin America || 2nd |
| Alaska || 3rd |
| JetBlue || 4th |
| Frontier || 5th |
| Southwest/AirTran* || 6th |
| American/US Airways* || 7th |
| United || 8th |
* - Indicates merger between companies during study period.
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