The airline has warned that some flights would be cancelled over the next seven to 10 days and said that it "deeply regrets" customer inconvenience.

While Air Canada flight attendants continue to strike through the weekend, some travellers are in limbo at the Edmonton International Airport waiting for their flights to get rebooked.

A statement from the Canadian Labour Congress late Sunday evening said the “heads of Canada’s unions” met in an emergency session to stand behind Air Canada’s flight attendants.