| Answer | Crossword Clue |
|---|---|
| TWA | Onetime Delta rival |
| TWA | Onetime rival of Delta |
| TWA | Onetime Delta competitor |
| TWA | Delta rival |
| USAIR | Delta rival |
| TWA | Former Delta rival |
| TWA | Old Delta rival |
| UAL | Delta rival: Abbr. |
| USAIR | Former Delta rival |
| TWA | Bygone Delta rival |
| TWA | Bygone rival of Delta |
| UAL | Rival of Delta and American: Abbr. |
| USAIR | Delta rival, as it was formerly known |
| USAIR | Delta rival, as it used to be called |
