Southwest Airlines Co. is a major player in the transportation industry, specifically in the United States. With an ESG score of 28.3, the airline is considered to have a medium risk assessment. Operating a fleet of over 800 aircrafts all made by Boeing 737, Southwest Airlines is known for its focus on short-haul leisure flights. Offering a point-to-point network and an open-seating cabin configuration, Southwest Airlines caters mainly to domestic passengers.