A Canadian government panel ordered the flight attendants back to work, but they refused. The strike is affecting about 130,000 travelers around the world each day.

Air Canada has delayed restarting flights until Monday evening after the union representing 10,000 flight attendants vowed to defy a government-backed back-to-work order.

Air Canada says it plans to resume flights on Sunday after the Canadian government intervened and forced the airline and its striking flight attendants back to work and into arbitration