What Terminal is Air Canada at ORD

What terminal is Air Canada at ORD? Air Canada serves from Terminal 2 at Chicago O'Hare International Airport (ORD). This terminal serves domestic and select international flights. Passengers flying with Air Canada will find ticketing counters, security checkpoints, and gate areas in Terminal 2, which is recognized for being smaller and less busy than the other terminals at ORD. For passengers who need to connect with other airlines, an Airport Transit System (ATS) rail connects Terminal 2 to the other terminals. It is usually a good idea to double-check flight information ahead of time, as gate assignments and terminal specifics may change.