QR 3666 then IB 5484 at Barcelona
Salerno → Barcelona → Istanbul
Timetable, Barcelona time
00:30QR 3666 from Salerno at the gatealso LL 5953, VY 8359
17:05IB 5484 to Istanbul leaves the gatealso LL 5484, VY 8612
16 h 35 apart on the timetable
IB 5484 leaves 16 h 35 after QR 3666 arrives on the timetable: more than half a day, so not a connection we count.