The union allowed a second return-to-work order from the Canadian government to expire on Monday, halting the airline's operations for a third day.

The Canada Industrial Relations Board has declared a strike by 10,000 Air Canada flight attendants illegal and ordered them back on the job after they ignored an earlier order to return to work and submit to arbitration.

Many passengers are still struggling to find alternative transportation and are angry at the airline. “You feel like you’re at their mercy,” said one.