Chicago O'Hare International Airport is one of the busiest airports in the world, serving tens of millions of passengers every year. The airport is located in the northwest suburbs of Chicago, Illinois, and was first opened in 1944 as Orchard Field Airport. It was renamed O'Hare International Airport in 1949 in honor of Edward O'Hare, a World War II hero and Chicago native.
O'Hare Airport is home to over 80 airlines and a major hub for several airlines, including American Airlines, United Airlines, and Delta Air Lines. These airlines offer a wide range of domestic and international flights, connecting passengers to various destinations around the world.