4Z 99 then SA 405 at Johannesburg
Harare → Johannesburg → Port Elizabeth
Timetable, Johannesburg time
12:354Z 99 from Harare at the gate
11:25SA 405 to Port Elizabeth leaves the gate
22 h 50 apart on the timetable, overnight
SA 405 leaves 22 h 50 after 4Z 99 arrives on the timetable: more than half a day, so not a connection we count.