The class-action lawsuit, filed on behalf of 60,000 plan participants, alleges that the airline failed to replace a “chronically underperforming” large-cap fund holding more than $2 billion in ...

Southwest Airlines Co (LUV) reported an upbeat fourth-quarter earnings report on Thursday, with fourth-quarter and full-year operating revenues hitting record levels. However, the airline’s stock ...

U.S. budget carrier Southwest Airlines' fourth-quarter profit surpassed Wall Street estimates on Thursday, helped by robust travel demand and improved airfares.