http://www.flyertalk.com/forum/Forum5/HTML/004116.html

for comping from UA. Doesn't look promising but you might email some of the participants to see if they had success.

It all depends on your travel patterns. If you plan on doing a lot more flying in Canada, and can show that increase on some statements, AC might be more willing to comp. Frankly it is pretty easy to get to Elite anyway, only 35K miles or 60 segments.