FR 6920 then FR 202 at Dublin
Barcelona → Dublin → London Stansted
Timetable, Dublin time
08:05FR 6920 from Barcelona at the gate
07:10FR 202 to London Stansted leaves the gate
23 h 05 apart on the timetable, overnight
FR 202 leaves 23 h 05 after FR 6920 arrives on the timetable: more than half a day, so not a connection we count.