Chicago O'Hare International Airport, also known as O'Hare Airport, Chicago International Airport, Chicago O'Hare, or simply O'Hare, is an international airport located on the Far Northwest Side of Chicago, Illinois, 17mi northwest of the Loop. It is the primary airport serving the Chicago metropolitan area, with Midway International Airport, which is about 10mi closer to the Loop and serves as a secondary airport. It is operated by the City of Chicago Department of Aviation.O'Hare was the busiest airport in the world by the number of takeoffs and landings in 2014, ahead of Hartsfield-Jackson Atlanta International Airport, which held the title from 2005 to 2013; however, it lost that title to Atlanta a year later. Until 1998, O'Hare was also the world's busiest airport by the number of passengers; it was surpassed mainly due to limits the federal government imposed on the airport to reduce flight delays. As of 2016, O'Hare is the sixth-busiest airport in the world by passenger traffic, the third-busiest in the United States, and the busiest in the Midwest. O'Hare also has eight runways, more than any other major international airport. ORD covers 7,627 acres (3,087 ha) of land.As of January 2017, O'Hare has direct service to 208 destinations, including 153 domestic destinations in the United States and 55 international ones in North America, South America, Asia, and Europe, making it an international gateway to much of the American midwest. It is among a select group of airports worldwide with the distinction of serving more than 200 destinations, along with Heathrow, Frankfurt, Atatürk, Amsterdam, Charles de Gaulle, Atlanta, Dallas/Fort Worth, Munich, and Dubai.
