It's official: Southwest and Chase are partnering to bring Customers our first-ever airport lounge network, with construction already underway. First-ever locations include Austin (AUS), Baltimore (BWI), Honolulu (HNL), and Nashville (BNA). Find answers to all of your travel and flight-related questions and view common FAQ articles regarding your travel experience when you fly with Southwest Airlines. Look up and manage a Southwest Airlines flight reservation. Enter your confirmation number and passenger name to access your booking. Southwest Airlines is the world’s largest low-cost carrier and a major US airline, headquartered in Dallas, Texas. Their fleet is huge — 746 aircrafts headed to nearly 100 destinations, mostly focused on domestic routes. Southwest Airlines is the world's largest operator of the Boeing 737 Next Generation family. As of June 2026, Southwest Airlines operates an all- Boeing 737 fleet with 803 aircraft, making it the fifth largest commercial airline fleet in the world and the largest 737 operator. Southwest Airlines was founded in 1966 by Herbert Kelleher and Rollin King, and incorporated as Air Southwest Co. in 1967. The company planned to operate as an intrastate airline, flying a Texas Triangle network between Dallas, Houston, and San Antonio. Southwest Airlines Co. (IATA: WN) is a U.S.-based airline operating an extensive domestic and international route network. Southwest is known for its low-fare model, a customer-friendly bag policy, and the Rapid Rewards loyalty program. Southwest Airlines has added bag fees, assigned seating, and premium options. Learn what booking a flight on Southwest Airlines is really like now. Southwest Rapid Rewards remains a popular airline loyalty program, offering flexible points redemption and the highly valued Companion Pass. Recent changes include new checked bag fees and lower points-earning rates, leading to mixed reactions from loyal customers. This is where you book a Southwest flight. You search by city and date, choose a fare bundle (Basic, Choice, Choice Preferred, or Choice Extra), pick a seat, and pay with cash, Rapid Rewards points, or Cash + Points.