US Airways - Effective July st - Check in at Terminal 2
Ticketing, Flights Arrive/Depart from Terminal 3, Claim Baggage
in Terminal 3
Frontier - Between September 16th and October 1st, arrive and depart from both Terminals 5 and 3.
Starting October 1st they will only operate from Terminal 3
Many carriers serve O'Hare International Airport. A complete list of the commercial airline carriers is below. Click on the name of the airline to go directly to their website for the latest information from each airline, including flight updates and reservations. Looking for something other than commercial airline service? Here are links for information on fixed based operators and cargo operators.