4Z 950 then 5Z 100 at Johannesburg
Cape Town → Johannesburg → Bloemfontain
Timetable, Johannesburg time
12:004Z 950 from Cape Town at the gate
06:255Z 100 to Bloemfontain leaves the gate
18 h 25 apart on the timetable, overnight
5Z 100 leaves 18 h 25 after 4Z 950 arrives on the timetable: more than half a day, so not a connection we count.