QR 3774 then TK 1854 at Barcelona
Torino → Barcelona → Istanbul
Timetable, Barcelona time
16:25QR 3774 from Torino at the gatealso IB 5811, LL 5811, VY 6129
12:20TK 1854 to Istanbul leaves the gate
19 h 55 apart on the timetable, overnight
TK 1854 leaves 19 h 55 after QR 3774 arrives on the timetable: more than half a day, so not a connection we count.