Join Date: Aug 2011
Location: Barcelona, London, on a plane
Programs: IB+ Gold, TK E+, Hyatt Globalist, Marriott LTP, IHG Diamond
Posts: 14,209
Shortest connection is incorrect. I don't know about a 24+ hour stopover, but I've definitely upgraded the flights I wanted / booked, rather than the shortest possible connection.
Shortest possible connection only applies to the free hotel.