KL 1660 then U2 7925 at Schiphol
Bologna → Amsterdam → Prague
Timetable, Amsterdam time
08:35KL 1660 from Bologna at the gate
07:00U2 7925 to Prague leaves the gate
22 h 25 apart on the timetable, overnight
U2 7925 leaves 22 h 25 after KL 1660 arrives on the timetable: more than half a day, so not a connection we count.