FR 9612 then FR 332 at Dublin
Rome → Dublin → London Luton
Timetable, Dublin time
19:50FR 9612 from Rome at the gate
09:30FR 332 to London Luton leaves the gate
13 h 40 apart on the timetable, overnight
FR 332 leaves 13 h 40 after FR 9612 arrives on the timetable: more than half a day, so not a connection we count.