Spirit Airlines was an American 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. Spirit ceased all scheduled flight operations on May 2, 2026.

Spirit was founded in 1964 as a trucking company before transitioning to charter flights in 1983 and adopting the Spirit Airlines name in 1992. The company became known for introducing and expanding the ultra-low-cost carrier model in the United States, offering comparatively low base fares supplemented by additional charges for optional services. This approach supported its expansion among price-conscious leisure travelers but also left the airline sensitive to changes in operating costs and consumer demand. During the 2020s, Spirit faced increasing competition as legacy carriers expanded their basic economy offerings, while labor, aircraft, and operating costs rose.

In 2022, Frontier Airlines reached an agreement to acquire Spirit, but Spirit subsequently accepted a competing acquisition proposal from JetBlue. The proposed JetBlue merger was blocked by a federal judge in January 2024 following an antitrust lawsuit brought by the United States Department of Justice and several state attorneys general. The airlines subsequently terminated their merger agreement in March 2024.

Spirit filed for Chapter 11 bankruptcy protection in November 2024 and emerged from its initial financial restructuring in March 2025. As part of the reorganization, Spirit Airlines, Inc. was converted into Spirit Airlines, LLC, becoming a wholly owned subsidiary of the newly established Spirit Aviation Holdings, Inc. The company subsequently filed for Chapter 11 protection for a second time on August 29, 2025, amid continued financial and operational pressures.

On May 2, 2026, Spirit announced the immediate cessation of all flight operations following unsuccessful efforts to secure additional financing, including discussions regarding potential federal financial assistance. The company cited a material increase in oil prices and other business pressures as contributing factors in its decision. All scheduled flights were canceled effective immediately, ending more than three decades of operations under the Spirit Airlines name. The company subsequently began an orderly wind-down and liquidation of its aircraft and other assets under bankruptcy court supervision.

History

From Clippert Trucking Company to Charter One Airlines 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.

1990s: Spirit Airlines, headquarters moved to Florida

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.

2000s: Baldanza, ultra low-cost carrier, Caribbean

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 this 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.

2010s: Increased competition, two CEO changes

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. In 2018, the airline began equipping its fleet with Wi-Fi service.

Ted Christie succeeded Fornaro as CEO in January 2019 and led Spirit to make significant capital investment announcements in 2019, including that it would move into a newly built headquarters in Dania Beach, Florida, and acquire 100 new Airbus A320neo family aircraft.

2020s: Decline and bankruptcy

At the start of the COVID-19 pandemic, Spirit Airlines received $334 million in assistance through the Coronavirus Aid, Relief and Economic Security (CARES) Act in the form of grants and loans. However, since CARES Act funds were allocated based on employment levels in mid-2019, companies experiencing rapid pre-pandemic growth, including Spirit, did not receive the same level of support as more stable competitors. The funds were used to support payroll through September 30, 2020. In July 2020, the company announced plans to place 20–30% of employees on furlough beginning in October. Some pilots and flight attendants later accepted voluntary leave or reduced schedules to limit layoffs.

During the post-pandemic recovery, Spirit faced increased competition as legacy carriers expanded basic economy fares and added capacity. Spirit also faced higher labor costs as airlines increased compensation to attract and retain pilots following pandemic-related retirements. The company never posted a profit after 2019.

In August 2023, the airline converted an order for 31 Airbus A319neo into the larger A321neo. Spirit's order had made up a third of all A319neo orders, briefly putting the type's future in question.

In January 2025, Spirit Airlines laid off 200 employees as part of cost reduction measures. In April 2025, Spirit Airlines exited Chapter 11 bankruptcy and appointed Dave Davis as CEO.

Attempted mergers and bankruptcy Since 2022, various competing low-cost airlines announced plans to acquire Spirit. In February 2022, Frontier Airlines announced its intention to acquire Spirit, pending regulatory approval, with Frontier Airlines stock as the surviving entity. The deal would have made the combined airline the fifth-largest airline in the U.S. In July 2022, Spirit's shareholders rejected Frontier's offer.

In April 2022, JetBlue proposed to acquire Spirit for $33 per share in cash, equivalent to $3.6 billion. In May, Spirit said its board of directors had decided not to consider JetBlue's proposal. According to Spirit Airlines, JetBlue's proposed acquisition would be unlikely to be approved by the U.S. Department of Justice's Antitrust Division, because it would likely believe that an ultra-low-cost carrier being purchased by a higher-fare airline would increase fares for consumers. Spirit noted that the Antitrust Division was looking into JetBlue's strategic partnership with American Airlines for the same reason.

That July, JetBlue reached an agreement to purchase Spirit for $33.50 per share, with additional inducements for Spirit shareholders. The deal would have made the unified company the fifth-largest airline based in the United States. Spirit shareholders voted to approve the deal but the Department of Justice sued to block it, alleging that the merger would result in "higher fares, fewer seats, and harm millions of consumers". The trial began in October 2023, and at its conclusion, a federal judge blocked JetBlue's acquisition of Spirit Airlines on January 16, 2024, stating that the deal was anticompetitive towards other airline corporations and would harm consumers. As a result, Spirit Airlines' stock fell by approximately 47% and the airline expressed concern over its future. Speculators predicted that Spirit may have to file for Chapter 11 bankruptcy protection, followed by a liquidation process, if the airline could not come up with a growth plan. However, on January 18, Spirit denied these speculations, saying that the company has no plans to file for bankruptcy and was looking for new plans to maintain its future. JetBlue ended its takeover attempt on March 4, 2024, after federal judge William G. Young ruled the move would reduce competition.