FR 44 then OS 239 at Vienna
Athens → Vienna → Berlin
Timetable, Vienna time
07:25FR 44 from Athens at the gate
21:00OS 239 to Berlin leaves the gate
13 h 35 apart on the timetable
OS 239 leaves 13 h 35 after FR 44 arrives on the timetable: more than half a day, so not a connection we count.