Originally Posted by
cxfan1960
I do not know if this is still the case, but if a passenger purchases a ticket from a travel agency, then he/she cannot upgrade using BA miles, but can still upgrade using CX miles. In this case, CX miles may have an advantage.
In practice, it is always easier to redeem with miles from the operating airline.
I have a follow up question. I am pretty sure the answer is no, but want to confirm.
I've booked WT at present (via TA). I presume there is no way I will be able to double upgrade from WT to J with Asia Miles?