FR 3881 then EI 109 at Dublin
Dubrovnik → Dublin → New York JFK
Timetable, Dublin time
23:05FR 3881 from Dubrovnik at the gate
13:40EI 109 to New York JFK leaves the gate
14 h 35 apart on the timetable, overnight
EI 109 leaves 14 h 35 after FR 3881 arrives on the timetable: more than half a day, so not a connection we count.