FR 44 then OS 911 at Vienna
Athens → Vienna → Yerevan
Timetable, Vienna time
09:25FR 44 from Athens at the gate
22:25OS 911 to Yerevan leaves the gate
13 h apart on the timetable
OS 911 leaves 13 h after FR 44 arrives on the timetable: more than half a day, so not a connection we count.