O�Hare International Airport in Chicago was the busiest airport in the U.S. in 2018, surpassing Hartsfield-Jackson Atlanta International Airport for the first time in four years.

The Federal Aviation Administration released data 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.

Los Angeles International Airport, Dallas-Fort Worth International Airport and Denver International Airport round out the top five.

O�Hare last held the top spot in 2014.

Last year, O�Hare operations increased 4.2 percent, compared with a 1.8 percent 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.

(AP)