WB 700 then EC 1746 at Brussels
Kigali → Brussels → Nice
Timetable, Brussels time
17:00WB 700 from Kigali at the gate
13:30EC 1746 to Nice leaves the gate
20 h 30 apart on the timetable, overnight
EC 1746 leaves 20 h 30 after WB 700 arrives on the timetable: more than half a day, so not a connection we count.