Join Date: Aug 2011
Location: Barcelona, London, on a plane
Programs: IB+ Gold, TK E+, Hyatt Globalist, Marriott LTP, IHG Diamond
Posts: 14,186
Assuming that you are asking about the direct flight, but coded as IB.
Codeshares have a habit of being difficult to manage online. (seat selection, date changes, etc.)
You also don't get the double TPs from a holiday booking, if that's important to you...