Originally Posted by
cxfan1960
There is one more requirement if the passenger is not using his/her own miles. In addition to the passenger being on the Asia Miles sponsor's redemption list, both the passenger and his/her sponsor must be on the same flight.
If this is the case it would be entirely contrary to the conversation I had with the CX phone rep. My undertanding was that in order to process an instant upgrade, the passeneger needed to have the sponsor's information i.e. address, DOB, etc. but no mention of the sposnor needing to travel on the same flight.