LH 1687 then TK 1634 at Munich
Debrecen → Munich → Istanbul
Timetable, Munich time
19:35LH 1687 from Debrecen at the gate
14:40TK 1634 to Istanbul leaves the gate
19 h 05 apart on the timetable, overnight
TK 1634 leaves 19 h 05 after LH 1687 arrives on the timetable: more than half a day, so not a connection we count.