Southwest Airlines continues to differentiate itself from other low-fare carriers—offering a reliable product with exemplary Customer Service. Southwest Airlines is the nation's largest carrier in terms of originating domestic passengers boarded. Southwest serves over 73 cities in 38 states and is one of the most honored airlines in the world known for its commitment to the triple bottom line of Performance, People, and Planet. Based in Dallas, Southwest currently operates more than 3,400 flights a day and has more than 46,000 employees system wide.