The Air Canada check-in kioks at the Calgary International Airport. Photo by Brent Calver/Postmedia files

Air Canada says it will begin cancelling flights Thursday after the union representing around 10,000 Air Canada flight attendants issued 72-hour strike notice.

The attendants can walk off the job as early as Saturday if the airline cannot reach a deal with the Canadian Union of Public Employees (CUPE).

Here’s a look at what a potential work stoppage could mean for the airline and its customers.

How did we get here?

Since the beginning of the year, CUPE and Air Canada have been negotiating a new contract for the 10,000 flight attendants who work for the airline and its discount carrier, Rouge. The previous 10-year agreement expired at the end of March.

CUPE says flight attend

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