WestJet flight attendants could be walking off the job as early as this weekend.
Cabin crew members voted overwhelmingly in favour of a strike and could hit the picket line as early as this Sunday.
The union says wages and claims of unpaid work remain major sticking points.
CUPE remains at the bargaining table with the airline.
WestJet says travellers booked between July 30 and August 4 can change or cancel their booking at no cost.
