KL 9864 then KL 651 at Schiphol
Brussels → Amsterdam → Washington
Timetable, Amsterdam time
13:32KL 9864 from Brussels at the gate
13:20KL 651 to Washington leaves the gate
23 h 48 apart on the timetable, overnight
KL 651 leaves 23 h 48 after KL 9864 arrives on the timetable: more than half a day, so not a connection we count.