More than 10,000 Air Canada flight attendants went on strike after a deadline to reach a deal passed, the union confirmed early Saturday.

Air Canada's flight attendants were poised to strike on Saturday as the carrier cancelled hundreds of flights impacting more than 100,000 passengers ahead of a threatened work stoppage that could shut down service.

Air Canada's unionized flight attendants walked off the job early on Saturday morning after contract talks with the country's largest carrier stalled, in a move that could disrupt travel plans for more than 100,