KL 9864 then DL 143 at Schiphol
Brussels → Amsterdam → Seattle
Timetable, Amsterdam time
13:32KL 9864 from Brussels at the gate
10:15DL 143 to Seattle leaves the gate
20 h 43 apart on the timetable, overnight
DL 143 leaves 20 h 43 after KL 9864 arrives on the timetable: more than half a day, so not a connection we count.