5Z 511 then FN 8504 at Johannesburg
Kimberley → Johannesburg → Victoria Falls
Timetable, Johannesburg time
16:555Z 511 from Kimberley at the gate
14:30FN 8504 to Victoria Falls leaves the gate
21 h 35 apart on the timetable, overnight
FN 8504 leaves 21 h 35 after 5Z 511 arrives on the timetable: more than half a day, so not a connection we count.