KL 1306 then U2 7927 at Schiphol
Gdansk → Amsterdam → Prague
Timetable, Amsterdam time
16:15KL 1306 from Gdansk at the gate
07:15U2 7927 to Prague leaves the gate
15 h apart on the timetable, overnight
U2 7927 leaves 15 h after KL 1306 arrives on the timetable: more than half a day, so not a connection we count.