KL 1602 then U2 7927 at Schiphol
Rome → Amsterdam → Prague
Timetable, Amsterdam time
12:40KL 1602 from Rome at the gate
07:15U2 7927 to Prague leaves the gate
18 h 35 apart on the timetable, overnight
U2 7927 leaves 18 h 35 after KL 1602 arrives on the timetable: more than half a day, so not a connection we count.