4Z 790 then SA 355 at Johannesburg
Port Elizabeth → Johannesburg → Cape Town
Timetable, Johannesburg time
17:204Z 790 from Port Elizabeth at the gate
16:40SA 355 to Cape Town leaves the gate
23 h 20 apart on the timetable, overnight
SA 355 leaves 23 h 20 after 4Z 790 arrives on the timetable: more than half a day, so not a connection we count.