KL 1816 then U2 7925 at Schiphol
Frankfurt am Main → Amsterdam → Prague
Timetable, Amsterdam time
11:35KL 1816 from Frankfurt am Main at the gate
07:00U2 7925 to Prague leaves the gate
19 h 25 apart on the timetable, overnight
U2 7925 leaves 19 h 25 after KL 1816 arrives on the timetable: more than half a day, so not a connection we count.