KL 1374 then U2 7925 at Schiphol
Bucharest → Amsterdam → Prague
Timetable, Amsterdam time
15:55KL 1374 from Bucharest at the gate
14:30U2 7925 to Prague leaves the gate
22 h 35 apart on the timetable, overnight
U2 7925 leaves 22 h 35 after KL 1374 arrives on the timetable: more than half a day, so not a connection we count.