BJ 246 then LH 1410 at Frankfurt
Tunis → Frankfurt am Main → Belgrade
Timetable, Frankfurt am Main time
17:05BJ 246 from Tunis at the gate
11:00LH 1410 to Belgrade leaves the gate
17 h 55 apart on the timetable, overnight
LH 1410 leaves 17 h 55 after BJ 246 arrives on the timetable: more than half a day, so not a connection we count.