Spirit Airlines, Inc. functions as a commercial air carrier, offering flight services to an extensive network of 85 destinations spread across 16 nations, including locations in the United States, Latin America, and the Caribbean. By the end of 2021, its operations were supported by a fleet of 173 narrow-body Airbus aircraft. Customers have multiple options for purchasing tickets, either directly through the company's call centers, at airport ticketing counters, or online via spirit.com, or indirectly through various third-party channels such as online travel agencies, conventional travel agents, and electronic global distribution systems.