Air Canada is facing a crisis after its flight attendants walked off the job over the weekend and rejected a government order to return to work.The union representing 10,000 flight attendants at Canada’s biggest airline said it would request that a judge block a government order Saturday that imposed binding arbitration to resolve a labor dispute between the union and carrier.

Canada’s government has forced Air Canada and the union representing flight attendants into arbitration after a work stoppage stranded more than 100,000 travelers around the world during the peak summ