QR 3733 then TK 1468 at Barcelona
Mahón → Barcelona → Istanbul
Timetable, Barcelona time
19:25QR 3733 from Mahón at the gate
14:35TK 1468 to Istanbul leaves the gate
19 h 10 apart on the timetable, overnight
TK 1468 leaves 19 h 10 after QR 3733 arrives on the timetable: more than half a day, so not a connection we count.