A3 273 then GQ 770 at Athens
Chios → Athens → Warsaw Chopin
Timetable, Athens time
13:15A3 273 from Chios at the gate
12:40GQ 770 to Warsaw Chopin leaves the gate
23 h 25 apart on the timetable, overnight
GQ 770 leaves 23 h 25 after A3 273 arrives on the timetable: more than half a day, so not a connection we count.