The budget airline model in the U.S. is running out of runway
An Allegiant Air airplane is pushed back from the terminal at Harry Reid International Airport on March 15, 2026 in...
An Allegiant Air airplane is pushed back from the terminal at Harry Reid International Airport on March 15, 2026 in...
Spirit Airlines and Frontier Airlines ticket counters at Kansas City International Airport.Leslie Josephs/CNBCFrontier Airlines expects a revenue boost from Spirit...
A Spirit Airlines Airbus A321 airplane taxis at Los Angeles International Airport after arriving from Fort Lauderdale on March 30,...
Spirit Airlines kiosks at New York's LaGuardia Airport on May 2, hours after the carrier shut down.Leslie Josephs/CNBCBALTIMORE/NEW YORK —...
Spirit Airlines check-in Kiosks sit idle at Oakland International Airport on August 13, 2025 in Oakland, California. Justin Sullivan |...
A United Airlines plane taxis at Los Angeles International Airport on April 21, 2026 in Los Angeles, California. Justin Sullivan...
JetBlue Airways is moving forward with its flight plans at Fort Lauderdale–Hollywood International Airport, its president said, regardless of whether...
A JetBlue Airways Airbus A321 airplane departs from Los Angeles International Airport en route to New York on Oct. 17,...
Chicago-based United Airlines is making another investment in Denver, purchasing 113 acres outside the airport where it has a key...
A woman travelling hands her travel documents to a TSA officer at Los Angeles International Airport on May 7, 2025....
A Spirit Airlines Airbus A320 taxis at Los Angeles International Airport after arriving from Boston on September 1, 2024 in...
A departure board dispays information about cancelled flights, during a winter storm at LaGuardia Airport in New York City, U.S.,...
Passengers walk through the entrance of a TSA PreCheck in Terminal One at O'Hare International Airport Wednesday, Feb. 1, 2017,...
El Paso International AirportGoogle EarthThe Federal Aviation Administration abruptly grounded all flights in and out of El Paso International Airport...
A Spirit Airlines Airbus A320 taxis at Los Angeles International Airport after arriving from Boston on September 1, 2024 in...
An Allegiant Airlines jet flies out of Las Vegas Airport.Nick Potts | Getty ImagesAllegiant Travel said Sunday it is acquiring...
Passengers wait at Luis Munoz Marin International Airport as all flights are cancelled following US military action in Venezuela, on...
Planes line up on the tarmac at LaGuardia Airport on November 10, 2025 in New York City.Spencer Platt | Getty...
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Check out the companies making the biggest moves in premarket trading: Warner Bros. Discovery , Netflix , Paramount Skydance —...