Air Canada's baggage policy depends on your flight's fare, route, and destination, but generally requires carry-on baggage to fit under the seat or in the overhead bin and checked bags to not exceed 23 kg (50 lb) and 158 cm (62 in) in linear dimensions. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) Basic economy fares may involve fees for checked bags, while higher fare classes or international flights often include one or more free checked bags. Always check the specific allowance displayed on your itinerary receipt for accuracy, as this is the definitive guide for your trip. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK).