Originally Posted by
yyz_atc_qq
but now it's leading to an invol downgrade (IMHO) since I paid Lat to confirm J, and now my only option is to cancel or fly via LAX in Y since I have to be back in YYZ on the 19th.
stay on AC flights and they will confirm your J, go to another airline and they cant do much

PS you might also go home via LHR and get the upgrade from LHR to YVR.