Southwest Airlines

The fifth biggest airline company in the airline industry is Southwest Airlines. Established in 1967 and commencing with passenger airline services in 1971, Southwest Airlines is recognized as the largest low-cost carrier in the world, according to most metrics. Southwest Airline has more than 60,000 staff, operates with a more than 750 aircraft fleet, and carries more domestic passengers than any other US airline. Southwest's business model is distinct from other US airlines as it uses a rolling hub and point-to-point network and allows free checked baggage. Southwest Airline exclusively uses Boeing 737 jets in its fleet.. Most of its destinations are in North America and Central America. Southwest solely offers economy-class seats, and does not have business- or first-class cabins on its aircraft.