Air Canada Flight Attendants Could Serve Strike Notice After Midnight Tonight

Air Canada flight attendants hold a silent protest at Montreal-Pierre Elliott Trudeau International Airport in Montreal on Aug. 11, 2025. The Canadian Press/Christinne Muschi

The union representing around 10,000 Air Canada flight attendants could signal its intent to strike if a deal isn’t reached by the end of today.

The earliest that flight attendants could potentially walk off the job is Saturday at 12:01 a.m. ET.