KL 751 then U2 7927 at Schiphol
Guayaquil → Amsterdam → Prague
Timetable, Amsterdam time
13:40KL 751 from Guayaquil at the gate
11:00U2 7927 to Prague leaves the gate
21 h 20 apart on the timetable, overnight
U2 7927 leaves 21 h 20 after KL 751 arrives on the timetable: more than half a day, so not a connection we count.