WestJet flight attendants began a strike Sunday morning, Aug. 2, 2026, leading to hundreds of flight cancellations across Canada [1], [2], [3].

The labor disruption threatens the stability of Canada's domestic aviation network during a busy travel period. Passengers are currently scrambling to find alternative transportation or rebook tickets as the airline's operational capacity drops.

Approximately 4,400 flight attendants, represented by CUPE Local 8125, walked off the job [1]. The workers are striking over a dispute regarding wages and compensation for unpaid work [1], [2].

Travelers are facing significant delays as the airline cancels hundreds of flights [2]. Under legal requirements, impacted customers have a 48-hour window to rebook their flights [3].

The strike affects WestJet's entire domestic network, leaving thousands of passengers stranded at airports across the country [1], [2]. The disruption follows a period of tension between the union and airline management over the terms of a new collective bargaining agreement.

While some reports previously suggested a potential walkout during the August long weekend, the strike officially commenced on Sunday [1]. The scale of the walkout ensures that a vast majority of the cabin crew is unavailable for service.

“Hundreds of flights are cancelled as 4,400 crew members walk off the job.”

This strike highlights the growing tension between airline labor costs and crew compensation standards in Canada. By striking during a peak travel window, the union is leveraging maximum operational pressure on WestJet to secure better pay and a resolution to the long-standing issue of unpaid work hours.