KL 1706 then U2 7927 at Schiphol
Brussels → Amsterdam → Prague
Timetable, Amsterdam time
15:40KL 1706 from Brussels at the gate
13:10U2 7927 to Prague leaves the gate
21 h 30 apart on the timetable, overnight
U2 7927 leaves 21 h 30 after KL 1706 arrives on the timetable: more than half a day, so not a connection we count.