FN 8339 then FA 121 at Johannesburg
Harare → Johannesburg → Cape Town
Timetable, Johannesburg time
14:00FN 8339 from Harare at the gate
13:25FA 121 to Cape Town leaves the gate
23 h 25 apart on the timetable, overnight
FA 121 leaves 23 h 25 after FN 8339 arrives on the timetable: more than half a day, so not a connection we count.