Originally Posted by
yvr76
22 days out yes. From Aeroplan's perspective, this reduces call center load as you can cancel and rebook both online.
After that it becomes pretty expensive ...
Well, unless you're booked YOW-YYZ-ORD-IAH-NRT, and want to rebook it to YOW-YYZ-ORD-NRT, in which case, by cancelling, you risk losing YOW-YYZ-ORD when all you really want is the newly available ORD-NRT.