Dallas, Texas-based Southwest Airlines Co. (LUV) is a passenger airline company offering scheduled air transportation services in the U.S. and near-international markets. Valued at $15.7 billion by market cap, the company provides in-flight entertainment, the Rapid Rewards loyalty program, digital platforms like SWABIZ for business travel, and extra services including Southwest's EarlyBird Check-In, upgraded boarding, and pet and unaccompanied minor transportation. Shares of this airline giant have underp ...