World largest airline "United Airlines" born

Passengers check in at the Continental Airlines counter in O'Hare International airport in Chicago, the United States on Oct. 1, 2010. UAL Corp and Continental Airlines Inc. closed their merger on Friday to form the world's largest carrier, called United Airlines. 

 Passengers check in at the United Airlines counter in O'Hare International airport in Chicago, the United States on Oct. 1, 2010. UAL Corp and Continental Airlines Inc. closed their merger on Friday to form the world's largest carrier, called Continental Airlines. 

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