QR 3734 then TK 1468 at Barcelona
Jerez de la Forntera → Barcelona → Istanbul
Timetable, Barcelona time
15:05QR 3734 from Jerez de la Forntera at the gate
14:35TK 1468 to Istanbul leaves the gate
23 h 30 apart on the timetable, overnight
TK 1468 leaves 23 h 30 after QR 3734 arrives on the timetable: more than half a day, so not a connection we count.