The union representing Air Canada’s 10,000 flight attendants said on Sunday that it would defy a back-to-work order and continue a strike that shut down Canada’s dominant carrier and severely disrupt...

Air Canada said it suspended plans to restart operations on Sunday after the union representing 10,000 flight attendants said it will defy a return to work order.

The shutdown of Canada’s largest airline early Saturday is impacting about 130,000 people a day, and some 25,000 Canadians may be stranded.