KL 9864 then KL 1645 at Schiphol
Brussels → Amsterdam → Genova
Timetable, Amsterdam time
13:32KL 9864 from Brussels at the gate
11:50KL 1645 to Genova leaves the gate
22 h 18 apart on the timetable, overnight
KL 1645 leaves 22 h 18 after KL 9864 arrives on the timetable: more than half a day, so not a connection we count.