U2 802 then U2 8505 at Gatwick
Belfast City → London → Geneva
Timetable, London time
21:30U2 802 from Belfast City at the gate
17:20U2 8505 to Geneva leaves the gate
19 h 50 apart on the timetable, overnight
U2 8505 leaves 19 h 50 after U2 802 arrives on the timetable: more than half a day, so not a connection we count.