SA 410 then 4Z 923 at Johannesburg
Port Elizabeth → Johannesburg → Cape Town
Timetable, Johannesburg time
15:05SA 410 from Port Elizabeth at the gate
12:204Z 923 to Cape Town leaves the gate
21 h 15 apart on the timetable, overnight
4Z 923 leaves 21 h 15 after SA 410 arrives on the timetable: more than half a day, so not a connection we count.