SA 546 then 5Z 100 at Johannesburg
Durban → Johannesburg → Bloemfontain
Timetable, Johannesburg time
11:00SA 546 from Durban at the gate
07:305Z 100 to Bloemfontain leaves the gate
20 h 30 apart on the timetable, overnight
5Z 100 leaves 20 h 30 after SA 546 arrives on the timetable: more than half a day, so not a connection we count.