"We are in a situation where literally hundreds of thousands of Canadians and visitors to our country are being disrupted by this action," Prime Minister Mark Carney said.

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

The Canadian Union of Public Employees (CUPE) had pushed for a negotiated solution, saying binding arbitration would take pressure off the airline.