WestJet Encore . WestJet Encore is WestJet 's subsidiary regional airline , which commenced operations on June 24 , 2013 , with a fleet of Bombardier Q400 twin-turboprop aircraft .
WestJet has a subsidiary regional airline called WestJet Encore , which started operating on June 24 , 2013 with Bombardier Q400 twin-turboprop aircraft .