Originally Posted by
YQMer
You might want to check the miles that post for YHZ-YOW and see if you got a COS bonus--not sure if that makes up with the 800+500 you were looking for. Happens sometimes with op-ups since the class of service you were booked in is usually not available.
good point. I noticed that a few weeks ago when I was upgraded on YUL-YYZ-YEG, but because of a cancellation, was rebooked 2 hours later. I was seated in J, and was given the COS on both legs!