U2 803 then U2 8497 at Gatwick
Edinburgh → London → Geneva
Timetable, London time
15:15U2 803 from Edinburgh at the gate
11:15U2 8497 to Geneva leaves the gate
20 h apart on the timetable, overnight
U2 8497 leaves 20 h after U2 803 arrives on the timetable: more than half a day, so not a connection we count.