FR 331 then FR 6130 at Dublin
London Luton → Dublin → Napoli
Timetable, Dublin time
17:15FR 331 from London Luton at the gate
16:50FR 6130 to Napoli leaves the gate
23 h 35 apart on the timetable, overnight
FR 6130 leaves 23 h 35 after FR 331 arrives on the timetable: more than half a day, so not a connection we count.