How many concourses are there in O'Hare Airport?

O'Hare Airport features a total of five concourses: concourses A through E. Each concourse serves different airlines and destinations, facilitating a wide range of domestic and international flights. The design of the airport reflects its status as one of the busiest in the world, providing efficient access to various gates and passenger amenities across its concourses. Understanding the layout of O'Hare and its five distinct concourses is essential for navigating the airport effectively, whether you're a traveler or working in airport operations.