FR 3881 then EI 546 at Dublin
Dubrovnik → Dublin → Nice
Timetable, Dublin time
23:05FR 3881 from Dubrovnik at the gate
15:00EI 546 to Nice leaves the gate
15 h 55 apart on the timetable, overnight
EI 546 leaves 15 h 55 after FR 3881 arrives on the timetable: more than half a day, so not a connection we count.