With KLM postponing YEG indefinitely and allegedly pax being re-routed through YYC tells me:
1) The YEG flights wouldn't have been that full and /or;
2) The YYC flights wouldn't have been that full either if they can accommodate them
http://globalnews.ca/news/1888709/klm-suspends-direct-flight-to-edmonton-until-further-notice/
KLM's press statement
http://news.klm.com/klm-is-postponing-its-new-route-from-amsterdam-to-edmonton/