4Z 115 then SA 359 at Johannesburg
Bulawayo → Johannesburg → Cape Town
Timetable, Johannesburg time
17:404Z 115 from Bulawayo at the gate
17:30SA 359 to Cape Town leaves the gate
23 h 50 apart on the timetable, overnight
SA 359 leaves 23 h 50 after 4Z 115 arrives on the timetable: more than half a day, so not a connection we count.