Originally Posted by
garethmorgan
I've got some flights (mix of 1st and business) on CX coming up that are booked using BA Avios. Is there any point in letting Cathay know that I'm a Diamond? I can use my card for lounge access but should I stick on the luggage tags or tell them on check-in or in advance?
DM get First Priority baggage (when you're traveling in J/Y.) Depending on your arrival airport, it may or may not make a difference.