A3 275 then LX 1831 at Athens
Chios → Athens → Zurich
Timetable, Athens time
17:00A3 275 from Chios at the gate
13:55LX 1831 to Zurich leaves the gate
20 h 55 apart on the timetable, overnight
LX 1831 leaves 20 h 55 after A3 275 arrives on the timetable: more than half a day, so not a connection we count.