SA 35 then GE 123 at Johannesburg
Gaborone → Johannesburg → Cape Town
Timetable, Johannesburg time
13:35SA 35 from Gaborone at the gate
13:00GE 123 to Cape Town leaves the gate
23 h 25 apart on the timetable, overnight
GE 123 leaves 23 h 25 after SA 35 arrives on the timetable: more than half a day, so not a connection we count.