4Z 175 then SA 319 at Johannesburg
Gaborone → Johannesburg → Cape Town
Timetable, Johannesburg time
11:104Z 175 from Gaborone at the gate
09:25SA 319 to Cape Town leaves the gate
22 h 15 apart on the timetable, overnight
SA 319 leaves 22 h 15 after 4Z 175 arrives on the timetable: more than half a day, so not a connection we count.