Southwest currently serves airports in 45 states and multiple Central American destinations. It began regional interstate service in 1979, expanding nationwide in the following decades.
and adopted its current name, Southwest Airlines Co., in 1971, when it began operating as an intrastate airline wholly within the state of Texas, first flying between Dallas, Houston, and San Antonio. The airline was established on March 15, 1967, by Herb Kelleher and Rollin King as Air Southwest Co. As of 2018, Southwest carried more domestic passengers than any other United States airline. It is headquartered in Dallas, Texas and has scheduled service to 121 destinations in the United States and 10 additional countries.
Southwest Airlines Co., typically referred to as Southwest, is one of the major airlines of the United States and the world's largest low-cost carrier.
