Air Canada strike update this is the latest then this to your friends who may be traveling cuz this is Air Canada's plan according to everyone online it's not been refuted First Flight canceled may be September 16th at 4 a.m. or later the full strike starts on September 18th so between the 16th and the 17th that would likely just be cancellations to not send planes and people that work for the company out into the world when there's no P Pilots or flying to bring them back to Canada if you have a flight September 18th onward and the strike is happening they will give you between 12 and 24 hours notice ahead but up to 72 hours ahead a reminder that Air Canada Jazz and Air Canada Express are not in this Union so those flights likely will continue if you are in transit somewhere in the world they will prioritize finishing your trip and reminder if Air Canada cancels your flight you will be offered a refund they cannot give you just a credit no matter what ticket class