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 summer travel season.

Canadian Labor Minister Patty Hajdu said on Friday that she met jointly with Air Canada and the Canadian Union of Public Employees (CUPE), urging both sides to work harder and remain at the negotiating table to reach a deal and avert a potential strike.

The Canadian carrier said it expects to call off 500 flights by the end of Friday. Air Canada said it was suspending its schedule and trying to get passengers booked with other airlines to limit disruptions.

Air Canada comenzó a cancelar vuelos el jueves ante una posible interrupción laboral por parte de los asistentes de vuelo que podría afectar a