4Z 173 then GE 151 at Johannesburg
Gaborone → Johannesburg → Cape Town
Timetable, Johannesburg time
08:454Z 173 from Gaborone at the gate
08:00GE 151 to Cape Town leaves the gate
23 h 15 apart on the timetable, overnight
GE 151 leaves 23 h 15 after 4Z 173 arrives on the timetable: more than half a day, so not a connection we count.