The Business Council Alberta is pressing federal authorities to use emergency powers to end a flight attendant strike that has grounded hundreds of WestJet flights.

WestJet flight attendants have walked off the job after contract negotiations with the airline failed, grounding flights on a busy summer travel weekend.

WestJet has cancelled 81 scheduled flights ahead of a potential flight-attendant strike deadline as contract negotiations over wages and ground pay stall.

WestJet has cancelled dozens of flights after its flight attendants' union issued a 72-hour strike notice, threatening a total work stoppage ahead of the long weekend.

WestJet has issued a lockout notice after CUPE served a 72-hour strike warning, placing summer travel plans in jeopardy amid a dispute over ground duty pay.