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Chicago’s O'Hare International Airport named as the busiest airport in the U.S. in 2018 by Federal Aviation Administration.

Overtaking Hartsfield-Jackson Atlanta International Airport for the first time in 4 years.

The Federal Aviation Administration released information on Monday showing that O'Hare had more than 903,000 arrivals and departures during 2018.

Atlanta's airport was second, with more than 895,000 arrivals and departures.

And remaining in list of top five are:

Los Angeles International Airport

Dallas-Fort Worth International Airport

Denver International Airport.

O'Hare international airport last held the top spot in 2014.

In the year 2018, O'Hare operations increased 4.2 per cent, compared with a 1.8 per cent increase in Atlanta.

United Airlines is the largest carrier at O'Hare and has been adding more flights from its hub at the Chicago airport to smaller cities throughout the Midwest.

-Sai Kumar