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Trivia - ÃÙéäÇéãªèÇèÒ
Question posted on: May 19, 2007
Q: This trivia is one of the series "US Airline Hubs and Headquarters."
What is the operation base airport and where is the headquarter of this airline?
> United Airlines
A: Operation Base: Chicago O'Hare International Airport (ORD)
Headquarters: Chicago, IL