In 2010, the airport had 22,412,627 passengers This included 3,447,393 international passengers. From June 2010 through May 2011, the top five users off the airport were Southwest Airlines, Spirit Airlines, JetBlue Airways, Delta Air Lines and US Airways. At that time, FLL was the 22nd busiest airport in the United States. It was the nation's 15th busiest international airport. It was one of the 50 busiest airports in the world.