U2 8284 then EC 6152 at Gatwick
Milan → London → Rome
Timetable, London time
20:25U2 8284 from Milan at the gate
16:55EC 6152 to Rome leaves the gate
20 h 30 apart on the timetable, overnight
EC 6152 leaves 20 h 30 after U2 8284 arrives on the timetable: more than half a day, so not a connection we count.