Originally Posted by winnipegrev

Rouge 1851/2 cancelled, so it looks like AC subbed a 787 in. Maybe this will calm posters who think AC isn't willing to sub mainline for Rouge in the event of mechanical issues...

How do you know C-GHQY was supposed to go to CPH? Just because it operated 12 hours late doesn't mean it was the aircraft AC intended to send. Probably mechanical issues on the original fin assigned.