OS 405 then FR 8231 at Barcelona
Vienna → Barcelona → London Stansted
Timetable, Barcelona time
19:45OS 405 from Vienna at the gate
15:05FR 8231 to London Stansted leaves the gate
19 h 20 apart on the timetable, overnight
FR 8231 leaves 19 h 20 after OS 405 arrives on the timetable: more than half a day, so not a connection we count.