Southwest Airlines typically referred to a Southwest, is one of the major airlines of the United States and the world's largest low cost carrier airline. Southwest Airlines is one of the world's largest low-priced carrier. It came into being as it envisioned every member of the society flying high. Since its inception, the airline has focused and worked hard to do right by the reason for its existence. It offers award-winning customers service to its guests with Southwest airlines reservations, whether its on-ground or on-board.