HV 6412 then U2 7925 at Schiphol
Napoli → Amsterdam → Prague
Timetable, Amsterdam time
13:20HV 6412 from Napoli at the gate
07:20U2 7925 to Prague leaves the gate
18 h apart on the timetable, overnight
U2 7925 leaves 18 h after HV 6412 arrives on the timetable: more than half a day, so not a connection we count.