How many daily flight departures does Southwest Airlines have? On average, Southwest Airlines operates between 3,500 and 4,000 flights each day, serving a wide range of domestic and limited international destinations. This substantial number of daily departures highlights the airline’s role as a major player in the U.S. aviation market. Thanks to its efficient operations and point-to-point service model, Southwest can maintain a dense schedule that supports flexibility and convenience for millions of travelers each year.