Orlando International Airport (IATA: MCO, ICAO: KMCO, FAA LID: MCO) is a major public airport located six miles (10 km) southeast of Downtown Orlando, Florida, United States. In 2018, MCO handled 47,696,627 passengers, making it the busiest airport in the state of Florida and the tenth-busiest airport in the United States.
The airport serves as a hub for Silver Airways and a focus city for Frontier, JetBlue, Southwest, and Spirit. Southwest is the airport's largest carrier by passengers carried. The airport is also a major international gateway for the mid-Florida region, with over 850 daily flights on 44 airlines. The airport also serves 135 domestic and international destinations. At 13,302 acres (5,383 ha), MCO is one of the largest commercial airports in terms of land area in the US. In addition, the airport is home to a maintenance base for United Airlines.
The airport code MCO stands for the airport's former name, McCoy Air Force Base, a Strategic Air Command (SAC) installation, that was closed in 1975 as part of a general military drawdown following the end of the Vietnam War.
In terms of commercial airline service, the Greater Orlando area is also served by Orlando Sanford International Airport (SFB), and more indirectly by Daytona Beach International Airport (DAB), Orlando Melbourne International Airport (MLB), Tampa International Airport (TPA), and St. Pete–Clearwater International Airport (PIE).