5Z 251 then SA 363 at Johannesburg
Port Elizabeth → Johannesburg → Cape Town
Timetable, Johannesburg time
20:105Z 251 from Port Elizabeth at the gate
19:00SA 363 to Cape Town leaves the gate
22 h 50 apart on the timetable, overnight
SA 363 leaves 22 h 50 after 5Z 251 arrives on the timetable: more than half a day, so not a connection we count.