U2 8720 then U2 8497 at Gatwick
Copenhagen → London → Geneva
Timetable, London time
11:30U2 8720 from Copenhagen at the gate
11:15U2 8497 to Geneva leaves the gate
23 h 45 apart on the timetable, overnight
U2 8497 leaves 23 h 45 after U2 8720 arrives on the timetable: more than half a day, so not a connection we count.