A FlyerTalk Posting Legend
Join Date: Sep 2009
Location: Minneapolis: DL DM charter 2.3MM
Programs: A3*Gold, SPG Plat, HyattDiamond, MarriottPP, LHW exAccess, ICI, Raffles Amb, NW PE MM, TWA Gold MM
Posts: 102,617
Does TK have agents at JFK? If so, you might try to get to the airport early and try to get them to help since aeroplan would no longer control the ticket on the day of departure.
BTW, have you done HUCA a couple times? Maybe a different agent (at TK or at aeroplan) will help.