KL 9864 then KL 535 at Schiphol
Brussels → Amsterdam → Kigali
Timetable, Amsterdam time
13:32KL 9864 from Brussels at the gate
10:55KL 535 to Kigali leaves the gate
21 h 23 apart on the timetable, overnight
KL 535 leaves 21 h 23 after KL 9864 arrives on the timetable: more than half a day, so not a connection we count.