AZ 718 then EC 3656 at Athens
Rome → Athens → Milan
Timetable, Athens time
18:35AZ 718 from Rome at the gate
11:10EC 3656 to Milan leaves the gate
16 h 35 apart on the timetable, overnight
EC 3656 leaves 16 h 35 after AZ 718 arrives on the timetable: more than half a day, so not a connection we count.