Answer: Southwest Airlines Co
Southwest Airlines Co. is an American low-cost airline. Southwest is the largest airline in the world by number of passengers carried per year (as of 2009). Southwest maintains the third-largest passenger fleet of aircraft among all of the world's commercial airlines. As of May 3, 2009, Southwest operates approximately 3,510 flights daily. Southwest has its headquarters on the grounds of Love Field in Dallas, Texas.
Southwest Airlines has carried more customers than any other U.S. airline since August 2006 for combined domestic and international passengers according to the U.S. Department of Transportation's Bureau of Transportation Statistics. Southwest Airlines is one of the world’s most profitable airlines, posting a profit for the 37th consecutive year in January 2010.
Southwest's successful business model involves flying multiple short, quick trips into the secondary (more efficient and less costly) airports of major markets, and using only one aircraft type, the Boeing 737.
