
Spirit Airlines, Inc. is an American company which formerly operated as an ultra low cost airline, headquartered in Dania Beach, Florida. It operated scheduled flights throughout the United States, the Caribbean, and Latin America. In 2023, it was the seventh-largest passenger carrier in North America and the region's largest ultra-low-cost carrier before ceasing flight operations on May 2, 2026. Spirit was founded in 1964 as a trucking company that pivoted to operating charter flights in 1983 before finding success by bringing the ultra-low-cost carrier model to the United States, offering very low base fares supplemented by additional fees for nearly every service. This approach allowed it to expand rapidly by attracting price-conscious leisure travelers, but also left it highly sensitive to cost pressures. By the 2020s, its business model came under increasing pressure as the legacy carriers introduced basic economy fares, eroding its price advantage, while labor, aircraft, and operating costs increased. In 2022, Frontier Airlines reached an agreement to acquire Spirit but was outbid by JetBlue; the JetBlue merger was blocked in January 2024 by the Biden administration, leaving Spirit independent but weakened financially. Spirit filed for Chapter 11 bankruptcy protection in November 2024 and briefly emerged from restructuring in early 2025, but filed for Chapter 11 again in August amid mounting losses and debt.
The company began in 1964 as Clippert Trucking Company. In 1974, it changed its name to Ground Air Transfer, Inc. In 1983, Ned Homfeld founded Charter One Airlines in Macomb County, Michigan, as a Detroit-based charter tour operator offering travel packages to destinations including Atlantic City, Las Vegas, and the Bahamas.
In May 1992, the company introduced McDonnell Douglas DC-9 and McDonnell Douglas MD-80 jet aircraft and changed its name to Spirit Airlines. Spirit expanded from charter operations into scheduled service on June 1, 1992, with flights between Detroit and Atlantic City. Flights from Boston and Providence to Atlantic City followed on June 15. Through 1994, Spirit added scheduled service to Orlando, Fort Lauderdale, and St. Petersburg, Florida, Atlantic City and Fort Myers, Florida, and Philadelphia.
Spirit initially maintained its headquarters in the Kennedy Building in Eastpointe, Michigan, formerly East Detroit, in Metro Detroit. In December 1999, the airline moved its headquarters to Miramar, Florida. Before selecting Miramar, Spirit also considered Atlantic City and Detroit.
In the summer of 1994, Spirit canceled tickets for 1,400 customers following an overbooking incident. According to the airline, the issue resulted from incorrect instructions provided to travel agents, which caused some tickets to be treated as invalid despite customers having paid for them. In response to criticism, Spirit stated that it would accommodate all ticketed passengers, including by booking them on competing airlines if necessary.
In 1996, Janet Patton became Spirit Airlines' first female pilot. She became the airline's first female captain in 1998.
In 2005, Ben Baldanza was hired as president. Following an investment by Indigo Partners in 2006, Baldanza became CEO and assumed a larger role in the airline's operations and strategy. Under Baldanza, Spirit adopted an ultra-low-cost carrier business model modeled in part on Ireland's Ryanair, emphasizing very low base fares supplemented by additional fees for nearly every service.
While strategy received significant media criticism, the airline continued to expand its customer base and revenue from optional services. Spirit also became known for advertising campaigns and promotional fares that used provocative humor and double entendres, including its "MILF" promotion, which stood for "Many Islands, Low Fares".
Spirit rapidly expanded its network throughout the 2000s, including service to destinations in the United States and the Caribbean, and filed applications for additional international routes, but the airline's focus on high aircraft utilization in an effort to keep operating costs down contributed to weak operational reliability and limited recovery options during disruptions.
The airline also faced regulatory and labor developments, including a 2000 Federal Aviation Administration fine for aircraft marking and placarding violations, and a 2010 pilot strike that temporarily grounded operations from June 10 to 18.
Spirit Airlines introduced a fee for carry-on baggage in 2010, the first U.S. airline to do so. Other U.S. ultra-low-cost carriers, including Allegiant Air and Frontier Airlines, later adopted similar charges. In 2012, the airline faced public criticism after declining to refund a fare to a terminally ill military veteran who had purchased a nonrefundable ticket. Spirit later issued an apology, refunded the fare, and made a donation to the Wounded Warrior Project.
During this period, Spirit faced increased competition from basic economy fares introduced by the legacy carriers, which incorporated elements of the ULCC model by offering low base fares supplemented with fees. Delta Air Lines introduced basic economy fares in 2012, and by the end of the decade all of the U.S. legacy carriers had implemented similar fare products. The strategy proved effective, as many passengers shifted toward legacy carriers when basic economy fares were competitively priced, drawn by broader route networks, higher frequency, and perceptions of better reliability and service.
Former AirTran Airways CEO Robert Fornaro succeeded Baldanza as CEO in 2016 and introduced initiatives aimed at improving operational performance and customer service, including collaboration with the Disney Institute. During this period, Spirit continued to expand its network and maintained its ancillary fee-based pricing model. By 2017, Spirit's on-time performance had improved compared with earlier years, ranking among U.S. carriers by that metric.
Its main hubs
Other airports in its network
Where we have documented most of its aircraft
A count of our own aircraft profiles, year by year, from the public United States flight records: it reflects what we have documented, not the airport’s total traffic.
Route network according to OpenFlights (open route database). It may not reflect recent schedule changes.
Data from Wikidata (CC0) · summary from Wikipedia (CC BY-SA).
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This page was last updated on September 26, 2026
APA
Vuelopedia. (2026, September 26). Spirit Airlines. Retrieved October 16, 2026, from https://vuelopedia.org/en/airline/spirit-airlines
MLA
“Spirit Airlines.” Vuelopedia, Fundación Poderia, 26 Sept. 2026, vuelopedia.org/en/airline/spirit-airlines. Accessed 16 Oct. 2026.
Chicago
Vuelopedia. “Spirit Airlines.” Fundación Poderia. Last modified September 26, 2026. https://vuelopedia.org/en/airline/spirit-airlines.
Harvard
Vuelopedia (2026) Spirit Airlines. Available at: https://vuelopedia.org/en/airline/spirit-airlines (Accessed: 16 October 2026).
BibTeX
@misc{vuelopedia_en_airline_spirit_airlines,
author = {{Vuelopedia}},
title = {{Spirit Airlines}},
publisher = {Fundación Poderia},
year = {2026},
date = {2026-09-26},
url = {https://vuelopedia.org/en/airline/spirit-airlines},
howpublished = {\url{https://vuelopedia.org/en/airline/spirit-airlines}},
urldate = {2026-10-16},
note = {Accessed 2026-10-16}
}Wikipedia
{{cite web |url=https://vuelopedia.org/en/airline/spirit-airlines |title=Spirit Airlines |website=Vuelopedia |publisher=Fundación Poderia |date=2026-09-26 |access-date=2026-10-16 |language=en}}Pick a model to see its aircraft.