A3 629 then A3 358 at Athens
Luxembourg → Athens → Santorini
Timetable, Athens time
22:05A3 629 from Luxembourg at the gate
17:05A3 358 to Santorini leaves the gate
19 h apart on the timetable, overnight
A3 358 leaves 19 h after A3 629 arrives on the timetable: more than half a day, so not a connection we count.