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Southwest Airlines Co. (NYSE: LUV), is an American low-cost airline based in Dallas, Texas. The airline was established in 1967, adopting its current name in 1971, and as of June 5, 2011 (2011 -06-05) is the largest airline in the United States based upon domestic passengers carried. Although it operated Boeing 727 aircraft for a short time during the 1970s and 1980s, the airline has more recently been known for being a solely-Boeing 737 operator, and as of September 30, 2011 (2011 -09-30) was the largest operator of the 737 worldwide with over 550 of these aircraft in service, each... MORE

Southwest Airlines Co. (NYSE: LUV), is an American low-cost airline based in Dallas, Texas. The airline was established in 1967, adopting its current name in 1971, and as of June 5, 2011 (2011 -06-05) is the largest airline in the United States based upon domestic passengers carried. Although it operated Boeing 727 aircraft for a short time during the 1970s and 1980s, the airline has more recently been known for being a solely-Boeing 737 operator, and as of September 30, 2011 (2011 -09-30) was the largest operator of the 737 worldwide with over 550 of these aircraft in service, each operating an average of six flights per day. In May 2011 the airline acquired Orlando-based AirTran Airways, and expects to obtain a common air operator's certificate for both carriers in early 2012, with full integration of the carriers taking place over several years. Southwest has 37,000 employees as of December 2011 and operates more than 3,300 flights a day. As of January 2012, Southwest Airlines operates scheduled service to 97 destinations in 42 states. On March 1, 2012, Southwest Airlines was issued a single operating certificate from the former AirTran Airways meaning that from a technical LESS