Louisville International Airport

Louisville International Airport is a public and military use public airport centrally located in the city of Louisville in Jefferson County, Kentucky, USA. The airport covers 1,200 acres and has three runways. Its IATA airport code, SDF, is based on the airport's former name, Standiford Field. The airport is the seventh busiest in the world by cargo traffic. Despite its name, all its destinations are in the United States, with the exception of cargo flights. It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a primary commercial service airport since it has over 10,000 passenger boardings (enplanements) per year. As per Federal Aviation Administration records, the airport had 1,650,707 enplanements in 2011, a decrease of 0.02% from 1,651,037 in 2010. The airport is home to Worldport, the worldwide hub of UPS. The Kentucky Air National Guard's 123d Airlift Wing operates C-130 transport aircraft from the co-located Louisville Air National Guard Base.