what is westjet's size specifications for carry on luggage
Air Canada, WestJet say no to standardized carry-on size. The International Air Transport Association is recommending 55 x 35 x 20 cm size. Related Stories. The International Air Transport Association is recommending a standard size for carry-on luggage for all major airlines, but is getting pushback from major Canadian airlines. Air Canada and WestJet have both said they are not changing their sizes to the recommended 55 x 35 x 20 centimetre dimensions.