FR 3077 then FR 8215 at Barcelona
Stockholm → Barcelona → London Stansted
Timetable, Barcelona time
19:50FR 3077 from Stockholm at the gate
17:20FR 8215 to London Stansted leaves the gate
21 h 30 apart on the timetable, overnight
FR 8215 leaves 21 h 30 after FR 3077 arrives on the timetable: more than half a day, so not a connection we count.