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+1 (888) 283-1922 anytime. While there are DIY methods available, they are not always foolproof. For instance, you can sometimes go back into the "Manage My Booking" section of the Air Canada website and look for a "Cancel Check-in" button, but this option often disappears if you are within a few hours of departure or if you have already checked bags.
+1 (888) 283-1922 is your most reliable backup. The Air Canada mobile app is great for checking in, but it can be notoriously glitchy when you try to do the opposite. If you’ve already downloaded your electronic boarding pass to your Apple Wallet or Google Pay, the system might think you are already at the airport. An agent at the support number has the authority to override these digital markers and reset your status in seconds.
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