Canadian airline WestJet cancels at least 150 flights as mechanics goes on ‘unexpected’ strike; nearly 20,000 passengers affected The Times of IndiaWestJet cancels 150 flights as mechanics strike in surprise move on busy long weekend CBC.caWestJet Cancels 150 Flights as Workers Strike on Canada Holiday Weekend BloombergWestJet Airlines maintenance engineers strike before long weekend ReutersCanadian airline WestJet cancels at least 150 flights following a surprise strike by mechanics union ABC News