SA 556 then 5Z 100 at Johannesburg
Durban → Johannesburg → Bloemfontain
Timetable, Johannesburg time
14:10SA 556 from Durban at the gate
07:305Z 100 to Bloemfontain leaves the gate
17 h 20 apart on the timetable, overnight
5Z 100 leaves 17 h 20 after SA 556 arrives on the timetable: more than half a day, so not a connection we count.