FR 6874 then FR 292 at Dublin
Barcelona → Dublin → London Stansted
Timetable, Dublin time
21:40FR 6874 from Barcelona at the gate
21:25FR 292 to London Stansted leaves the gate
23 h 45 apart on the timetable, overnight
FR 292 leaves 23 h 45 after FR 6874 arrives on the timetable: more than half a day, so not a connection we count.