Three flights daily? Are you sure? I've only seen two per day max, and two per day via Westjet, then they cut one of their direct flights to a stopover in Kelowna.
With a daily A320 and 767 flight AC will be increasing capacity.
I believe that WestJet only flies one a day now to Toronto direct over the summer and non for the rest of the year. They have also cancelled their direct to Vegas flight.