AIRLINES ON WHICH I'VE HAD SUCH A BAD EXPERIENCE THAT I VOWED NEVER TO GO BACK

I've been very unsuccessful at these vows
  1. 1.
    United
  2. 2.
    American
  3. 3.
    Delta
  4. 4.
    Northwest
    No longer exists
  5. 5.
    Virgin
  6. 6.
    Southwest
  7. 7.
    Spirit
    The only airline I have actually never flown again because they are literally the worst.
  8. 8.
    Continental
    No longer exists
  9. 9.
    Trans World Airlines
    No longer exists
  10. 10.
    TAP
  11. 11.
    Iberia
  12. 12.
    AirFrance
  13. 13.
    Alaska Airlines