EC 3837 then EC 2123 at Manchester
Milan → Manchester → Rome
Timetable, Manchester time
19:10EC 3837 from Milan at the gate
10:00EC 2123 to Rome leaves the gate
14 h 50 apart on the timetable, overnight
EC 2123 leaves 14 h 50 after EC 3837 arrives on the timetable: more than half a day, so not a connection we count.