U2 8494 then U2 871 at Gatwick
Geneva → London → Glasgow
Timetable, London time
10:15U2 8494 from Geneva at the gate
07:05U2 871 to Glasgow leaves the gate
20 h 50 apart on the timetable, overnight
U2 871 leaves 20 h 50 after U2 8494 arrives on the timetable: more than half a day, so not a connection we count.