U2 7926 then U2 7831 at Schiphol
Prague → Amsterdam → London Luton
Timetable, Amsterdam time
22:20U2 7926 from Prague at the gate
19:20U2 7831 to London Luton leaves the gate
21 h apart on the timetable, overnight
U2 7831 leaves 21 h after U2 7926 arrives on the timetable: more than half a day, so not a connection we count.