TK 1853 then QR 3771 at Barcelona
Istanbul → Barcelona → Basel
Timetable, Barcelona time
10:55TK 1853 from Istanbul at the gate
08:45QR 3771 to Basel leaves the gate
21 h 50 apart on the timetable, overnight
QR 3771 leaves 21 h 50 after TK 1853 arrives on the timetable: more than half a day, so not a connection we count.