LH 577 then BJ 247 at Frankfurt
Cape Town → Frankfurt am Main → Tunis
Timetable, Frankfurt am Main time
05:35LH 577 from Cape Town at the gate
18:05BJ 247 to Tunis leaves the gate
12 h 30 apart on the timetable
BJ 247 leaves 12 h 30 after LH 577 arrives on the timetable: more than half a day, so not a connection we count.