EC 8302 then U2 8845 at Gatwick
Milan → London → Reykjavík
Timetable, London time
08:50EC 8302 from Milan at the gate
08:20U2 8845 to Reykjavík leaves the gate
23 h 30 apart on the timetable, overnight
U2 8845 leaves 23 h 30 after EC 8302 arrives on the timetable: more than half a day, so not a connection we count.