U2 2104 then U2 3838 at Manchester
Nice → Manchester → Milan
Timetable, Manchester time
21:30U2 2104 from Nice at the gate
15:40U2 3838 to Milan leaves the gate
18 h 10 apart on the timetable, overnight
U2 3838 leaves 18 h 10 after U2 2104 arrives on the timetable: more than half a day, so not a connection we count.