Originally Posted by
f4freeJunior
Good question. Could be the bags but I don't always fly with checked luggage. They can of course also see it in my profile with my M&M number in the bookings.
Having been in the OP’s room at FRA & seen how they do it at FRA it would need to be checked bags or a request to link PNR’s it’s an amazing operation but they are not sychic