Related Clues:

• Co. once owned by Howard Hughes
• Successor to Allegheny Airlines, for short
• Airline whose last flight was Dec. 1, 2001
• USAir rival
• The Beatles arrived in New York in 1964 on this
• Former rival of Pan Am
• It was bought out by American Airlines
• Old TWA rival
• Yankee Clipper airline
• A couple in Scotland
• Co. that launched its Ambassadors Club in 1952
• Early Boeing 737 customer
• It often flew FDR during WWII
• Flier until '91
• Pan Am was its rival