5Z 101 then 4Z 162 at Johannesburg
Bloemfontain → Johannesburg → Lusaka
Timetable, Johannesburg time
13:505Z 101 from Bloemfontain at the gate
11:304Z 162 to Lusaka leaves the gate
21 h 40 apart on the timetable, overnight
4Z 162 leaves 21 h 40 after 5Z 101 arrives on the timetable: more than half a day, so not a connection we count.