O’Hare flight caps announced as it competes with Atlanta for “World’s Busiest Airport”

The Federal Aviation Administration (FAA) will limit summer flights at Chicago’s O’Hare International Airport to curb delays, according to a Chicago Business Journal report. This follows expansion plans by United Airlines and American Airlines. Peak daily operations would have topped 3,000, a 15% rise from last year, the report confirmed.

Construction at O’Hare adds pressure on runways. FAA officials called the schedules “unrealistic.” The cap sets daily flights at 2,708 from Sunday, May 17 to Saturday, Oct. 24.

Airlines react to limits

U.S. Transportation Secretary Sean Duffy stated in a press release that the move “will reduce delays and make this busy summer travel season a little easier.” A United spokesperson said, “We appreciate Secretary Duffy, FAA Administrator Bryan Bedford, and the team for leading the process to find a solution that makes sense for everyone who cares about O’Hare’s success,” according to the Chicago Business Journal.

An American Airlines spokesperson noted, “While we expect there will still be challenges to address at ORD, most of United’s frivolous schedule will be pulled down,” as reported by the Chicago Business Journal. American plans to cut no more than 40 arrivals and departures. United faces cuts exceeding 200.

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Rivalry for the busiest airport

O’Hare and Atlanta’s Hartsfield-Jackson airport compete for the title of world’s busiest, according to a separate report by the Chicago Business Journal. Atlanta led with 106.3 million passengers in 2025, per Airports Council International. O’Hare followed with 84.8 million, up 6% from 2024.

By aircraft movements, O’Hare ranked first with 860,015 takeoffs and landings. Atlanta had 807,625, the report confirmed. O’Hare’s movements rose 10.8% year-over-year.

Chicago Department of Aviation Commissioner Michael McMurray said in a statement, “This milestone is both a point of pride and a call to action.” She stressed investments in terminals and technology.

Steps to ease delays

The FAA will add air traffic controllers at O’Hare, the Chicago Business Journal noted. The move will reportedly speed up training and optimize routes around Chicago. Global passengers hit 9.8 billion in 2025, up 3.6%.

Atlanta’s passenger count dipped 1.6%. The hub has held the passenger title for decades, except in 2020. O’Hare pushes for top spot in operations.

Travelers should check schedules amid changes. The cap aims for smoother summers.