OS 403 then FR 8231 at Barcelona
Vienna → Barcelona → London Stansted
Timetable, Barcelona time
17:20OS 403 from Vienna at the gate
15:05FR 8231 to London Stansted leaves the gate
21 h 45 apart on the timetable, overnight
FR 8231 leaves 21 h 45 after OS 403 arrives on the timetable: more than half a day, so not a connection we count.