The decision by the union representing the 10,000 workers means that travel chaos will continue for at least a second day. Air Canada said it had suspended its reopening plan until Monday evening.

Air Canada has suspended plans to restart operations after the union representing 10,000 flight attendants decided to defy a return-to-work order.

Air Canada plans to resume flights later on Sunday, a day after the government issued a directive to end a cabin crew strike that caused the suspension of around 700 daily flights, stranding more than 100,