BJ 246 then LH 3612 at Frankfurt
Tunis → Frankfurt am Main → DTZ
Timetable, Frankfurt am Main time
17:05BJ 246 from Tunis at the gate
13:10LH 3612 to DTZ leaves the gate
20 h 05 apart on the timetable, overnight
LH 3612 leaves 20 h 05 after BJ 246 arrives on the timetable: more than half a day, so not a connection we count.