4Z 179 then SA 359 at Johannesburg
Gaborone → Johannesburg → Cape Town
Timetable, Johannesburg time
19:104Z 179 from Gaborone at the gate
17:30SA 359 to Cape Town leaves the gate
22 h 20 apart on the timetable, overnight
SA 359 leaves 22 h 20 after 4Z 179 arrives on the timetable: more than half a day, so not a connection we count.