U2 8306 then U2 869 at Gatwick
Milan → London → Glasgow
Timetable, London time
20:55U2 8306 from Milan at the gate
18:35U2 869 to Glasgow leaves the gate
21 h 40 apart on the timetable, overnight
U2 869 leaves 21 h 40 after U2 8306 arrives on the timetable: more than half a day, so not a connection we count.