Related Clues:
- Erstwhile carrier
- Bygone Eastern rival
- "Up, up and away" carrier
- Its hub was in St. Louis
- Howard Hughes's airline
- Defunct airline
- Airline abbr.
- Defunct flier
- Erstwhile airline
- Onetime name atop N.Y.C.'s MetLife Building
- It flies no more
- Howard Hughes' airline
- American Airlines acquisition
- TWA competitor
- One-time intl. airline