Ambassador, British Airways; FlyerTalk Posting Legend
Join Date: Apr 2012
Location: Leeds, UK
Programs: BA GGL/CCR, GfL, HH Diamond
Posts: 42,951
I think the main thing is to check it is ticketed, so you can see that on the app and see whether there is a ticket number showing under the flight.
Other than that I am afraid you will just have to OLCI when that opens up, or even just do it at the airport.