How to Change and upgrade my Air Canada flight? Are you wondering how do I change and upgrade my Air Canada flight? Check out this blog and you can call an Air Canada customer service assistant at +1-800-971-7347 (OTA) or +1. -888-247-2262. #HowtoChangeandupgrademyAirCanadaflight https://skyairbus.com/blog/how-to-change-and-upgrade-my-air-canada-flight/