Southwest Airlines Co. operates a passenger airline that provides scheduled air transportation services in the United States and near-international markets. As of December 31, 2018, the company operated a total of 750 Boeing 737 aircraft; and served 99 destinations in 40 states, the District of Columbia, and the Commonwealth of Puerto Rico, as well as 10 near-international countries, including Mexico, Jamaica, the Bahamas, Aruba, the Dominican Republic, Costa Rica, Belize, Cuba, the Cayman Islands, and Turks and Caicos.

It also offers inflight entertainment and connectivity service on Wi-Fi enabled aircraft; and sells points and related services to business partners participating in the Rapid Rewards loyalty program, such as car rental agencies, hotels, restaurants, and retailers. In addition, the company provides a suite of digital platforms to support customers' needs across the travel journey, including Southwest.com, mobile.southwest.com, an iOS app, and an android app; and Swabiz.com, a Website for business customers that offer businesses shared stored company credit cards, company activity reporting, and centralized traveler management services. Southwest Airlines Co. was founded in 1967 and is based in Dallas, Texas.