A3 899 then EC 3656 at Athens
Yerevan → Athens → Milan
Timetable, Athens time
06:15A3 899 from Yerevan at the gate
21:40EC 3656 to Milan leaves the gate
15 h 25 apart on the timetable
EC 3656 leaves 15 h 25 after A3 899 arrives on the timetable: more than half a day, so not a connection we count.