A3 357 then SN 3246 at Athens
Santorini → Athens → Brussels
Timetable, Athens time
13:35A3 357 from Santorini at the gate
12:05SN 3246 to Brussels leaves the gate
22 h 30 apart on the timetable, overnight
SN 3246 leaves 22 h 30 after A3 357 arrives on the timetable: more than half a day, so not a connection we count.