U2 8596 then EC 8309 at Gatwick
Split → London → Milan
Timetable, London time
13:45U2 8596 from Split at the gate
13:10EC 8309 to Milan leaves the gate
23 h 25 apart on the timetable, overnight
EC 8309 leaves 23 h 25 after U2 8596 arrives on the timetable: more than half a day, so not a connection we count.