5Z 511 then SA 34 at Johannesburg
Kimberley → Johannesburg → Gaborone
Timetable, Johannesburg time
16:555Z 511 from Kimberley at the gate
11:05SA 34 to Gaborone leaves the gate
18 h 10 apart on the timetable, overnight
SA 34 leaves 18 h 10 after 5Z 511 arrives on the timetable: more than half a day, so not a connection we count.