FR 5204 then FR 6840 at Dublin
Sofia → Dublin → Napoli
Timetable, Dublin time
19:20FR 5204 from Sofia at the gate
17:05FR 6840 to Napoli leaves the gate
21 h 45 apart on the timetable, overnight
FR 6840 leaves 21 h 45 after FR 5204 arrives on the timetable: more than half a day, so not a connection we count.