1: At the bottom of the list was JetBlue , which offered the lowest percentage of award seats and the fewest number of award tickets of the five biggest U.S . airlines : 892,000 one-way passenger tickets , or 4.5 % of its total 19.7 million U.S . seats . 2: Southwest had the highest customer satisfaction score ( 86 ) , followed by JetBlue ( 85 ) , Delta ( 70 ) , American ( 66 ) and United ( 63 ) . 3: JetBlue is at the bottom of the list but ranks high in customer satisfaction .
1: JetBlue 2: JetBlue 3: JetBlue