Join Date: Sep 2000
Location: Ottawa, Ontario, Canada
Programs: Aeroplan SE AND 1MM, HHonors Gold, Marriott Bonvoy Platinum , L'Accor Platinum
Posts: 9,773
I called the Aeroplan agent, about this question.
She told me that the connecting city (ie YOW), as part of the flights between the first destination (ie DCA) and second destination (ie YYZ), can not be the same as the origin and final destination city (ie YOW).