WestJet flight cancellations fell sharply to 16 on August 4, down from over 300 on August 3 after a flight attendants' strike. The airline is recovering but some disruptions remain.
On August 5, 2026, 21 US airports were under FAA delay programmes totaling 28, with Seattle-Tacoma experiencing the longest ground stop. Thunderstorms and weather-related issues drove most delays.