EC 3651 then GQ 770 at Athens
Milan → Athens → Warsaw Chopin
Timetable, Athens time
23:00EC 3651 from Milan at the gate
12:40GQ 770 to Warsaw Chopin leaves the gate
13 h 40 apart on the timetable, overnight
GQ 770 leaves 13 h 40 after EC 3651 arrives on the timetable: more than half a day, so not a connection we count.