OS 802 then FR 729 at Vienna
Athens → Vienna → London Stansted
Timetable, Vienna time
14:45OS 802 from Athens at the gate
10:35FR 729 to London Stansted leaves the gate
19 h 50 apart on the timetable, overnight
FR 729 leaves 19 h 50 after OS 802 arrives on the timetable: more than half a day, so not a connection we count.