SA 422 then 4Z 108 at Johannesburg
Port Elizabeth → Johannesburg → Harare
Timetable, Johannesburg time
19:40SA 422 from Port Elizabeth at the gate
18:454Z 108 to Harare leaves the gate
23 h 05 apart on the timetable, overnight
4Z 108 leaves 23 h 05 after SA 422 arrives on the timetable: more than half a day, so not a connection we count.