GQ 790 then U2 7927 at Schiphol
Athens → Amsterdam → Prague
Timetable, Amsterdam time
13:10GQ 790 from Athens at the gate
07:15U2 7927 to Prague leaves the gate
18 h 05 apart on the timetable, overnight
U2 7927 leaves 18 h 05 after GQ 790 arrives on the timetable: more than half a day, so not a connection we count.