Calgary International Airport, , is the main airport that serves Calgary, Alberta, Canada and the surrounding region; It is located 17 km from the downtown core. It is one of Canada's busiest airports by passenger traffic, serving 11.27 million passengers in 2006, and the third busiest airport in Canada by aircraft movements, with 242,658. The airport offers scheduled daily nonstop flights to major cities in Canada, Europe and the United States. It is also a major hub for Western Canada and is the home and hub of WestJet Airlines as well as a hub for Air Canada. Calgary International Airport is one of 8 Canadian airports that has US Border Pre-clearance facilities.
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