FlyerTalk Evangelist
Join Date: Aug 2011
Location: Barcelona, London, on a plane
Programs: BA Silver, TK E+, AA PP, Hyatt Globalist, Marriott LT Plat, Hilton Diamond
Posts: 13,043
You can try.
In my experience your boarding pass won't say "Priority Boarding" on it. You wouldn't have automatic access to fast track security either.