FILE - A traveler speaks with a Spirit Airlines agent at Hartsfield-Jackson Atlanta International Airport ahead of Memorial Day, on May 24, 2024, in Atlanta. (AP Photo/Mike Stewart, File)

FILE - A small plane tows a banner over Flint Bishop Airport as part of ceremonies marking Allegiant Air joining Flint Bishop International Airport on April 13, 2016. (Conor Ralph/The Flint Journal- MLive.com via AP, File)

FILE - A Frontier Airlines jet takes off from Denver International Airport on July 5, 2022, in Denver. (AP Photo/David Zalubowski, File)

FILE - A retrofitted Southwest Airlines passenger jet is shown in a hangar at Love Field on Sept. 26, 2024, in Dallas. (AP Photo/Tony Gutierrez, File)

FILE - Rows of seats are shown on a retrofitted Southwest Airlines jet at Love Field, Sept. 26, 2024, in Dallas. (AP Photo/Tony Gutierrez, File)

FILE - A Spirit Airlines 319 Airbus lands at Manchester Boston Regional Airport on June 2, 2023, in Manchester, N.H. (AP Photo/Charles Krupa, File)