KL 676 then U2 7927 at Schiphol
Edmonton → Amsterdam → Prague
Timetable, Amsterdam time
09:55KL 676 from Edmonton at the gate
07:15U2 7927 to Prague leaves the gate
21 h 20 apart on the timetable, overnight
U2 7927 leaves 21 h 20 after KL 676 arrives on the timetable: more than half a day, so not a connection we count.