A3 273 then A3 868 at Athens
Chios → Athens → Krakow
Timetable, Athens time
12:10A3 273 from Chios at the gate
11:00A3 868 to Krakow leaves the gate
22 h 50 apart on the timetable, overnight
A3 868 leaves 22 h 50 after A3 273 arrives on the timetable: more than half a day, so not a connection we count.