SN 2643 then LH 1686 at Munich
Brussels → Munich → Debrecen
Timetable, Munich time
11:00SN 2643 from Brussels at the gate
06:30LH 1686 to Debrecen leaves the gate
19 h 30 apart on the timetable, overnight
LH 1686 leaves 19 h 30 after SN 2643 arrives on the timetable: more than half a day, so not a connection we count.