FR 9614 then FR 255 at Dublin
Rome → Dublin → London Stansted
Timetable, Dublin time
13:40FR 9614 from Rome at the gate
09:00FR 255 to London Stansted leaves the gate
19 h 20 apart on the timetable, overnight
FR 255 leaves 19 h 20 after FR 9614 arrives on the timetable: more than half a day, so not a connection we count.