Join Date: Aug 2011
Location: Barcelona, London, on a plane
Programs: IB+ Gold, TK E+, Hyatt Globalist, Marriott LTP, IHG Diamond
Posts: 14,182
Should be fine as long as you don't make a habit of it. Or if there is a flight cancellation or something that means IB rebooks you on a direct flight back to MAD.
Usual "skiplagging" advice...