http://www.aircanada.com/en/news/120913.html
September 13, 2012
Eligible customers departing from Chicago O'Hare (ORD) on Air Canada-operated flights can now take advantage of our Self-Service Check-in Kiosks to:
•complete their check-in,
•reprint their boarding passes,
•stand by for an earlier flight,
•purchase a last-minute upgrade or
•pay for additional checked baggage.
The kiosks are conveniently located in front of the Air Canada check-in counters in Terminal 2, and are available in addition to web and mobile check-in.