4Z 790 then SA 347 at Johannesburg
Port Elizabeth → Johannesburg → Cape Town
Timetable, Johannesburg time
17:204Z 790 from Port Elizabeth at the gate
15:15SA 347 to Cape Town leaves the gate
21 h 55 apart on the timetable, overnight
SA 347 leaves 21 h 55 after 4Z 790 arrives on the timetable: more than half a day, so not a connection we count.