5Z 251 then BP 222 at Johannesburg
Port Elizabeth → Johannesburg → Gaborone
Timetable, Johannesburg time
20:305Z 251 from Port Elizabeth at the gate
17:30BP 222 to Gaborone leaves the gate
21 h apart on the timetable, overnight
BP 222 leaves 21 h after 5Z 251 arrives on the timetable: more than half a day, so not a connection we count.