KL 690 then U2 7925 at Schiphol
Cancún → Amsterdam → Prague
Timetable, Amsterdam time
08:30KL 690 from Cancún at the gate
07:20U2 7925 to Prague leaves the gate
22 h 50 apart on the timetable, overnight
U2 7925 leaves 22 h 50 after KL 690 arrives on the timetable: more than half a day, so not a connection we count.