U2 860 then EC 8375 at Gatwick
Edinburgh → London → Milan
Timetable, London time
07:50U2 860 from Edinburgh at the gate
20:15EC 8375 to Milan leaves the gate
12 h 25 apart on the timetable
EC 8375 leaves 12 h 25 after U2 860 arrives on the timetable: more than half a day, so not a connection we count.