A labor dispute in Canada is affecting air travel. Flight attendants at WestJet, Canada's second-largest airline, have gone on strike over pay issues. The strike involves 4,400 cabin crew members represented by the Canadian Union of Public Employees.

The airline has confirmed the strike and canceled numerous flights. According to reports, 495 flights were canceled on Sunday alone, impacting travel plans for 250,000 people. Further details on the strike and its impact are available from the Canadian Union of Public Employees and WestJet.