Title | Country | Number of Destinations | Frequent-flyer program | Ontime performance in 2012 | |||
Alaska Airlines | United States | 91 | Mileage Plan | 85 % | |||
American Airlines | United States | 260 | Aadvantage | 81 % | |||
Delta Airlines | United States | 247 | SkyMiles | 85 % | |||