QR 3733 then IB 5484 at Barcelona
Mahón → Barcelona → Istanbul
Timetable, Barcelona time
19:25QR 3733 from Mahón at the gate
17:05IB 5484 to Istanbul leaves the gatealso LL 5484, VY 8612
21 h 40 apart on the timetable, overnight
IB 5484 leaves 21 h 40 after QR 3733 arrives on the timetable: more than half a day, so not a connection we count.