Airline celebrates 100th anniversary of Katherine Stinson’s flight from Calgary to Edmonton  CALGARY, Alberta, 2018-Jul-11 — /Travel PR News/ — Today (July 9, 2018), WestJet in collaboration with the Canadian Aerophilatelic Society and The Calgary Airport Authority celebrated the 100th anniversary of Western Canada’s inaugural air mail flight. The flight was made by aviatriceKatherine Stinson on July 9, 1918, from… Read the full press release