FR 441 then FR 373 at Dublin
Liverpool → Dublin → London Luton
Timetable, Dublin time
16:50FR 441 from Liverpool at the gate
11:15FR 373 to London Luton leaves the gate
18 h 25 apart on the timetable, overnight
FR 373 leaves 18 h 25 after FR 441 arrives on the timetable: more than half a day, so not a connection we count.