In its 49th year of service, Dallas-based Southwest Airlines Co. (NYSE: LUV) continues to differentiate itself from other air carriers with exemplary Customer Service delivered by more than 60,000 Employees to a Customer base topping 130 million passengers annually. Southwest became the nation's largest domestic air carrier in 2003 and maintains that ranking based on the U.S. Department of Transportation's most recent reporting of domestic originating passengers boarded. In peak travel seasons, Southwest operates more than 4,000 weekday departures among a network of 102 destinations in the United States and 10 additional countries.