FR 7851 then FR 9611 at Dublin
Cardiff → Dublin → Rome
Timetable, Dublin time
00:50FR 7851 from Cardiff at the gate
19:50FR 9611 to Rome leaves the gate
19 h apart on the timetable
FR 9611 leaves 19 h after FR 7851 arrives on the timetable: more than half a day, so not a connection we count.