FR 338 then VY 1093 at Dublin
London Luton → Dublin → Barcelona
Timetable, Dublin time
18:20FR 338 from London Luton at the gate
12:50VY 1093 to Barcelona leaves the gate
18 h 30 apart on the timetable, overnight
VY 1093 leaves 18 h 30 after FR 338 arrives on the timetable: more than half a day, so not a connection we count.