EC 8306 then U2 867 at Gatwick
Milan → London → Glasgow
Timetable, London time
14:15EC 8306 from Milan at the gate
13:55U2 867 to Glasgow leaves the gate
23 h 40 apart on the timetable, overnight
U2 867 leaves 23 h 40 after EC 8306 arrives on the timetable: more than half a day, so not a connection we count.