Originally Posted by Alex_I

I have an upcoming trip booked through Chase Sapphire that did not allow for entering FFP. The first segment is on AA with CX flight number and the following two segments are on CX. To my surprise, I was not able to add my EXP AA number to this reservation on the Cathey website. AA EXP desk was able to add my AA number and I am now able to select better seats on the first AA segment. Is there is simple way to check whether CX system has my AA number attached to the reservation? I simply do not want to arrive to HKG to find out that I do not have a lounge access.