AA flying rival

• Founding member of the Star Alliance, for short
• Carrier with a hub at DEN
• Carrier inits.
• Co. whose largest hub is at O'Hare
• Sex suffix
• Corp. that once owned Hertz and Hilton
• Rival of Delta and American: Abbr
• Airline with the MileagePlus frequent flier prog

Wikipedia Word definitions in Wikipedia
UAL may refer to: