4Z 179 then SA 363 at Johannesburg
Gaborone → Johannesburg → Cape Town
Timetable, Johannesburg time
19:104Z 179 from Gaborone at the gate
19:00SA 363 to Cape Town leaves the gate
23 h 50 apart on the timetable, overnight
SA 363 leaves 23 h 50 after 4Z 179 arrives on the timetable: more than half a day, so not a connection we count.