Spirit Airlines announced it will add routes from Atlanta to Chicago O’Hare and Detroit starting Oct. 24, as it adds planes to its fleet.

The airline is moving up the launch date for the two new routes due to early deliveries of new aircraft. Miramar, Fla.-based Spirit also added a route from Atlanta to Houston Bush Intercontinental this month.

The airline will operate daily service on each of the routes.

Meanwhile, another low-cost carrier, Denver-based Frontier Airlines, is also adding routes from Atlanta to Orlando, Chicago and Washington Dulles.

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Andy Starnes, managing partner at Moore Colson accounting and advisory firm, poses for a portrait at the company’s headquarters in Atlanta on Monday, Oct. 20, 2025. (Natrice Miller/AJC)

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Passengers wait at a Delta check-in counter at Hartsfield-Jackson Atlanta International Airport on Friday, Nov. 7, 2025. It was the first day the Federal Aviation Administration cut flight capacity at airports during the government shutdown. (Arvin Temkar/AJC)

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