SA 31 then GE 125 at Johannesburg
Gaborone → Johannesburg → Cape Town
Timetable, Johannesburg time
08:30SA 31 from Gaborone at the gate
21:10GE 125 to Cape Town leaves the gate
12 h 40 apart on the timetable
GE 125 leaves 12 h 40 after SA 31 arrives on the timetable: more than half a day, so not a connection we count.