4Z 554 then 5Z 100 at Johannesburg
Durban → Johannesburg → Bloemfontain
Timetable, Johannesburg time
12:254Z 554 from Durban at the gate
07:305Z 100 to Bloemfontain leaves the gate
19 h 05 apart on the timetable, overnight
5Z 100 leaves 19 h 05 after 4Z 554 arrives on the timetable: more than half a day, so not a connection we count.