Air Transat passengers are facing potential flight suspensions as the leisure airline moves to wind down operations in the lead-up to a potential work stoppage.

The Air Line Pilots Association, representing 750 Air Transat pilots, issued a 72-hour strike notice over the weekend, meaning a job action could begin as soon as 3 a.m. ET on Wednesday.

Here’s what you need to know about the strike deadline and how it could impact travel plans.

When could a strike start?

Travel company Transat A.T. Inc., which owns the carrier, said cancellations would ramp up ahead of the potential work stoppage to ensure a more orderly wind-down process that reduces the chances of customers being stuck at their destinations.

The nearly 40 active planes in Air Transat’s fleet ferry tens of thousands of passe

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