U2 824 then U2 871 at Gatwick
Belfast International → London → Glasgow
Timetable, London time
10:55U2 824 from Belfast International at the gate
07:05U2 871 to Glasgow leaves the gate
20 h 10 apart on the timetable, overnight
U2 871 leaves 20 h 10 after U2 824 arrives on the timetable: more than half a day, so not a connection we count.