U2 8306 then U2 804 at Gatwick
Milan → London → Edinburgh
Timetable, London time
20:55U2 8306 from Milan at the gate
16:00U2 804 to Edinburgh leaves the gate
19 h 05 apart on the timetable, overnight
U2 804 leaves 19 h 05 after U2 8306 arrives on the timetable: more than half a day, so not a connection we count.