FA 539 then BP 208 at Johannesburg
Durban → Johannesburg → Gaborone
Timetable, Johannesburg time
20:10FA 539 from Durban at the gate
19:30BP 208 to Gaborone leaves the gate
23 h 20 apart on the timetable, overnight
BP 208 leaves 23 h 20 after FA 539 arrives on the timetable: more than half a day, so not a connection we count.