Airline check-in counter hours vary and are subject to change at any time.
The counters generally open at the following times:
Air Canada: two hours before the scheduled departure time
Air France: three hours before the scheduled departure time
Air Inuit: one and a half hours before the scheduled departure time
Air Transat: four hours before the scheduled departure time
American Airlines: two hours before the scheduled departure time
PAL Airlines: two hours before the scheduled departure time
Pascan: one and a half hours before the scheduled departure time
Porter: two hours before the scheduled departure time
Sunwing: three hours before the scheduled departure time
United Airlines: two hours before the scheduled departure time
WestJet: two hours before the scheduled departure time
Please note that airlines generally close their counters at least one hour before departure time.