BP 203 then 4Z 915 at Johannesburg
Gaborone → Johannesburg → East London
Timetable, Johannesburg time
11:05BP 203 from Gaborone at the gate
10:304Z 915 to East London leaves the gate
23 h 25 apart on the timetable, overnight
4Z 915 leaves 23 h 25 after BP 203 arrives on the timetable: more than half a day, so not a connection we count.