Understanding Canada's WestJet Cancels Flights Amid Flight Attendant Strike

West Jet Cancels Hundreds of Flights Amid Flight Attendant Strike in 2026 It started quietly. A few cancelled departures on a Monday morning. Then, by Tuesday, the list stretched into the hundreds. WestJet passengers across Canada woke up to push notifications telling them their flights were no longer operating, all because of a flight attendant strike that escalated faster than anyone expected. If you're staring at a rebooking screen right now, you're not alone. Here's what's happening, why it matters, and what you can actually do about it. What Is Happening with WestJet and the Flight Attendant Strike Background on the Labour Dispute WestJet's flight attendants have been in negotiations with the airline over a new collective agreement for months. The union representing cabin crew argued that wages hadn't kept pace with rising costs of living, particularly in major Canadian cities like Toronto, Vancouver, and Calgary. By early 2026, talks had stalled. Both sides brought in mediators, but those sessions didn't produce a breakthrough. The union then moved toward a strike vote, and in June 2026, members voted overwhelmingly in favour of job action. The airline had been preparing contingency plans for a potential work stoppage. Still, the scale of the disruption caught management off guard. Within days of the strike beginning, WestJet cancelled hundreds of domestic and international flights, leaving thousands of travellers stranded or scrambling for alternatives. How the Strike Unfolded The first walkout was scheduled for mid-June 2026, with flight attendants refusing to report for shifts across the carrier's main hub operations. WestJet initially attempted to operate with a skeleton crew, but safety regulations require a minimum number of attendants per flight, and those numbers simply couldn't be met. The airline was forced into a full-scale cancellation wave within 48 hours. By the second week, the strike had entered its most disruptive phase. WestJet cancelled roughly 40% of its scheduled departures during peak travel periods.