FR 331 then FR 672 at Dublin
London Luton → Dublin → Birmingham (UK)
Timetable, Dublin time
08:50FR 331 from London Luton at the gate
23:45FR 672 to Birmingham (UK) leaves the gate
14 h 55 apart on the timetable
FR 672 leaves 14 h 55 after FR 331 arrives on the timetable: more than half a day, so not a connection we count.