FR 341 then EI 564 at Dublin
London Luton → Dublin → Barcelona
Timetable, Dublin time
21:25FR 341 from London Luton at the gate
16:45EI 564 to Barcelona leaves the gate
19 h 20 apart on the timetable, overnight
EI 564 leaves 19 h 20 after FR 341 arrives on the timetable: more than half a day, so not a connection we count.