U2 7926 then KL 991 at Schiphol
Prague → Amsterdam → London City
Timetable, Amsterdam time
22:20U2 7926 from Prague at the gate
17:20KL 991 to London City leaves the gate
19 h apart on the timetable, overnight
KL 991 leaves 19 h after U2 7926 arrives on the timetable: more than half a day, so not a connection we count.