A possible strike by flight attendants has resulted in a scheduled lockout that may affect 130,000 passengers each day.

Air Canada, the country’s largest airline, started suspending flights on Thursday morning ahead of a potential strike by its flight attendants.

Hundreds of flights are expected to be cancelled by the end of the week if the flight attendants walk off their jobs as expected.

Air Canada and the flight attendants’ union have struggled to agree upon a deal that would increase compensation for the airline workers.

Here is what we know about the labour dispute and its potential consequences: