Related Clues:

• Southwest rival, for short
• TWA rival
• Carrier that added 'ways' to its name in the '90s
• American competitor, as it was once known
• Delta rival, as it used to be called
• Carrier name of 1979-97
• One-time rival of Pan Am
• Company that added four letters to its name in 1997
• Delta rival, as it was formerly known
• Southwest alternative, for short
• New name for Allegheny in '79
• Allegheny's name after 1979
• Delta rival, once
• Onetime rival of Pan Am
• Early customer of Boeing