1. southwest airlines 21
in airlines

2. continental airlines 17
in airlines

3. us airways 11
in airlines

4. qantas 11
in airlines

5. book a red eye and leave with a black eye 11
in united airlines new slogans

6. we put the hospital in hospitality 10
in united airlines new slogans

7. early boarding, late boarding, and now water boarding 9
in united airlines new slogans

8. new menu: chinese takeout on every flight! 9
in united airlines new slogans

9. not enough seating, prepare for a beating 9
in united airlines new slogans

10. virgin america 9
in airlines

11. delta airlines 9
in airlines

12. american airlines 8
in airlines

13. yo adrienne, i made it off the plane! 8
in united airlines new slogans

14. life is a journey, sometimes it's a drag 7
in united airlines new slogans

15. we treat you worse than we treat your luggage 7
in united airlines new slogans

16. the prices can't be beat, but you can 6
in united airlines new slogans

17. northwest airlines 6
in airlines

18. united airlines 5
in airlines

19. united airlines. we'll kick your ass 4
in united airlines new slogans

20. mile high club and now fight club 4
in united airlines new slogans