Mark Hancock, National President of the Canadian Union of Public Employees (CUPE) which represents striking Air Canada flight attendants, speaks at a news conference in the hotel media room at Toronto Pearson International Airport in Mississauga, Ontario, Canada, August 18, 2025. REUTERS/Wa Lone

The Canadian Union of Public Employees says a strike by 10,000 flight attendants at Air Canada will continue, defying an order from the Canada Industrial Relations Board that it provide public notice by noon ET that it had ended the strike.

Canadian government orders arbitration over Air Canada strike. Here's what you need to know. Air Canada estimates that some 130,000 customers will be impacted each day that the suspension continues.