FR 7327 then EI 109 at Dublin
Prague → Dublin → New York JFK
Timetable, Dublin time
21:50FR 7327 from Prague at the gate
13:40EI 109 to New York JFK leaves the gate
15 h 50 apart on the timetable, overnight
EI 109 leaves 15 h 50 after FR 7327 arrives on the timetable: more than half a day, so not a connection we count.