U2 8386 then U2 871 at Gatwick
Brest → London → Glasgow
Timetable, London time
09:10U2 8386 from Brest at the gate
07:05U2 871 to Glasgow leaves the gate
21 h 55 apart on the timetable, overnight
U2 871 leaves 21 h 55 after U2 8386 arrives on the timetable: more than half a day, so not a connection we count.