Birmingham-Shuttlesworth International Airport is the largest airport in Alabama and eighteenth largest in the United States. The airport has been in operation since 1951 and serves as the main hub for Delta Air Lines. The airport has a total of eleven terminals that can handle over sixty thousand passengers per day. In addition to Delta, Birmingham-Shuttlesworth International Airport is also home to American Airlines, British Airways, China Southern Airlines, Copa Airlines, Emirates, Iberia Airlines, Japan Airlines, Korean Air, Lufthansa, Qatar Airways, Singapore Airlines, Southwest Airlines and Turkish Airlines.