FR 3881 then EI 638 at Dublin
Dubrovnik → Dublin → Brussels
Timetable, Dublin time
23:05FR 3881 from Dubrovnik at the gate
17:30EI 638 to Brussels leaves the gate
18 h 25 apart on the timetable, overnight
EI 638 leaves 18 h 25 after FR 3881 arrives on the timetable: more than half a day, so not a connection we count.