LH 521 then BJ 281 at Munich
Mexico City → Munich → Tunis
Timetable, Munich time
13:45LH 521 from Mexico City at the gate
12:15BJ 281 to Tunis leaves the gate
22 h 30 apart on the timetable, overnight
BJ 281 leaves 22 h 30 after LH 521 arrives on the timetable: more than half a day, so not a connection we count.