FR 338 then FR 3144 at Dublin
London Luton → Dublin → Liverpool
Timetable, Dublin time
16:20FR 338 from London Luton at the gate
10:30FR 3144 to Liverpool leaves the gate
18 h 10 apart on the timetable, overnight
FR 3144 leaves 18 h 10 after FR 338 arrives on the timetable: more than half a day, so not a connection we count.