Related Clues:
- Its hub was in St. Louis
- Howard Hughes's airline
- Defunct airline
- Airline abbr.
- Defunct flier
- Former Disney World official airline
- Erstwhile airline
- It flies no more
- Howard Hughes' airline
- American Airlines acquisition
- Former airline initials
- Toward the right, on a map
- Its frequent flier prog. was called Aviators
- Airline that Eddie Rickenbacker headed
- Former United rival