Originally Posted by
Guy Betsy
I think OP is hoping that it will be an AA flight number, hence the question.
And hence the answer is that on the Canada-HKG and v.v. flights are not AA codeshared flights unless the flight originates from USA.
For the AA code-share on HKG-YVR-JFK and v. v., one can only book it as HKG-JFK and v. v., not as HKG-YVR and v. v. or YVR-JFK and v. v.