4Z 752 then SA 313 at Johannesburg
Mthatha → Johannesburg → Cape Town
Timetable, Johannesburg time
09:204Z 752 from Mthatha at the gate
08:10SA 313 to Cape Town leaves the gate
22 h 50 apart on the timetable, overnight
SA 313 leaves 22 h 50 after 4Z 752 arrives on the timetable: more than half a day, so not a connection we count.