GQ 241 then A3 628 at Athens
Chios → Athens → Luxembourg
Timetable, Athens time
09:40GQ 241 from Chios at the gate
08:40A3 628 to Luxembourg leaves the gate
23 h apart on the timetable, overnight
A3 628 leaves 23 h after GQ 241 arrives on the timetable: more than half a day, so not a connection we count.