OS 694 then FR 731 at Vienna
Bucharest → Vienna → London Stansted
Timetable, Vienna time
14:00OS 694 from Bucharest at the gate
09:40FR 731 to London Stansted leaves the gate
19 h 40 apart on the timetable, overnight
FR 731 leaves 19 h 40 after OS 694 arrives on the timetable: more than half a day, so not a connection we count.