LH 2343 then BJ 281 at Munich
Graz → Munich → Tunis
Timetable, Munich time
14:45LH 2343 from Graz at the gate
12:15BJ 281 to Tunis leaves the gate
21 h 30 apart on the timetable, overnight
BJ 281 leaves 21 h 30 after LH 2343 arrives on the timetable: more than half a day, so not a connection we count.