O’Hare International Airport is located on the Northwest Side of Chicago, IL, Operated by the Chicago Department of Aviation and covering 7,627 acres (3,087 ha), O’Hare has non-stop flights to 228 destinations in North America, South America, Europe, Africa, Asia and Oceania. In 2019, O’Hare had 919,704 aircraft operations, averaging 2,520 per day. For many years, it was the busiest airport in the world.