Get a map of the airport. These can be found at O'Hare or at websites such as Gofox.com where you can print terminal maps to take on your travels.
Identify Terminal One. Concourses B and C are in Terminal One. Airlines for this terminal are United Airlines domestic and international departures, Ted Airlines, United Express check-ins and baggage claims and Lufthansa departures only.
Recognize Terminal Two. Concourses F and E are in this terminal. You will find the following airlines at Terminal Two: Continental, Continental Express, Northwest, Jet Blue, US Airways and US Airways Express.
Become familiar with Terminal Three. Concourses G, H, K and L are in this terminal, along with the following airlines: Alaska, American, American Eagle, Delta, Delta Connection, Iberia and Spirit.
Identify Terminal Five. Concourse M is in this terminal and it is where the majority of international airlines are found. Airlines include Aer Lingus, Aero Mexico, Air France, Air India, Nippon Airways, Asiana, British Airways, Korean Air, KLM Royal Dutch, Air Jamaica and Alitalia.
