BJ 246 then DE 2314 at Frankfurt
Tunis → Frankfurt am Main → Mauritius
Timetable, Frankfurt am Main time
17:05BJ 246 from Tunis at the gate
16:00DE 2314 to Mauritius leaves the gate
22 h 55 apart on the timetable, overnight
DE 2314 leaves 22 h 55 after BJ 246 arrives on the timetable: more than half a day, so not a connection we count.