U2 8306 then U2 8211 at Gatwick
Milan → London → Corfu
Timetable, London time
20:55U2 8306 from Milan at the gate
15:15U2 8211 to Corfu leaves the gate
18 h 20 apart on the timetable, overnight
U2 8211 leaves 18 h 20 after U2 8306 arrives on the timetable: more than half a day, so not a connection we count.