U2 803 then U2 8283 at Gatwick
Edinburgh → London → Milan
Timetable, London time
15:15U2 803 from Edinburgh at the gate
10:25U2 8283 to Milan leaves the gate
19 h 10 apart on the timetable, overnight
U2 8283 leaves 19 h 10 after U2 803 arrives on the timetable: more than half a day, so not a connection we count.