4Z 177 then FA 512 at Johannesburg
Gaborone → Johannesburg → Cape Town
Timetable, Johannesburg time
13:254Z 177 from Gaborone at the gate
12:50FA 512 to Cape Town leaves the gate
23 h 25 apart on the timetable, overnight
FA 512 leaves 23 h 25 after 4Z 177 arrives on the timetable: more than half a day, so not a connection we count.