In 2015, Atlanta overtook 2014 leader, Chicago (O'Hare), with 882,497 total takeoffs and landings while Chicago had 875,136.

In 2014, Chicago was the leader with 881,933 flight operations and Atlanta with 868,359 according to the Federal Aviation Administration (FAA) data.

In terms of most passenger traffic, Atlanta has remained at number 1 spot in the world for last 18 years.

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