8 Runways: The History Of Chicago O’Hare International Airport

Chicago O'Hare Airport (ORD) is the main airport serving the Chicago, Illinois area. It is one of the busiest airports in the US, and worldwide. In 2023, the airport became the world's busiest airport by flights. Opened in February 1944, the airport was a major expansion for the city after the Second World War. The air has seen significant growth in the last few decades.