OS 401 then FR 9811 at Barcelona
Vienna → Barcelona → London Stansted
Timetable, Barcelona time
09:10OS 401 from Vienna at the gatealso LA 5045
07:55FR 9811 to London Stansted leaves the gate
22 h 45 apart on the timetable, overnight
FR 9811 leaves 22 h 45 after OS 401 arrives on the timetable: more than half a day, so not a connection we count.