W9 5377 then FR 6920 at Barcelona
London Luton → Barcelona → Dublin
Timetable, Barcelona time
15:25W9 5377 from London Luton at the gate
06:20FR 6920 to Dublin leaves the gate
14 h 55 apart on the timetable, overnight
FR 6920 leaves 14 h 55 after W9 5377 arrives on the timetable: more than half a day, so not a connection we count.