U2 8874 then U2 8503 at Gatwick
Bordeaux → London → Geneva
Timetable, London time
18:45U2 8874 from Bordeaux at the gate
14:00U2 8503 to Geneva leaves the gate
19 h 15 apart on the timetable, overnight
U2 8503 leaves 19 h 15 after U2 8874 arrives on the timetable: more than half a day, so not a connection we count.