Southwest Airlines is the world’s largest low cost airline, and second largest airline overall by the number of passengers carried. It operates point-to-point services within the United States and the Caribbean out of 14 bases, of which Chicago Midway is the largest.
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United States
Chicago Midway
Atlanta, Baltimore-Washington, Dallas Love Field, Denver, Houston Hobby, Las Vegas, Los Angeles, Milwaukee, Nashville, Oakland, Orlando, Phoenix, Phoenix, San Diego, St. Louis, Tampa