KL 1248 then U2 7925 at Schiphol
Helsinki → Amsterdam → Prague
Timetable, Amsterdam time
08:30KL 1248 from Helsinki at the gate
07:00U2 7925 to Prague leaves the gate
22 h 30 apart on the timetable, overnight
U2 7925 leaves 22 h 30 after KL 1248 arrives on the timetable: more than half a day, so not a connection we count.