OS 801 then GQ 310 at Athens
Vienna → Athens → Samos
Timetable, Athens time
12:40OS 801 from Vienna at the gate
07:15GQ 310 to Samos leaves the gate
18 h 35 apart on the timetable, overnight
GQ 310 leaves 18 h 35 after OS 801 arrives on the timetable: more than half a day, so not a connection we count.