A strike by the carrier’s flight attendants could disrupt 130,000 travelers a day, including international fliers. Here’s what to know if your flight is affected.

The union representing 10,000 flight attendants for Canada's largest airline issued issued a 72-hour strike notice on Wednesday.

Air Canada has canceled most of its flights over the next few days to prepare for a strike by flight attendants. Some travelers may end up stranded as a result.