FR 9612 then FR 5308 at Dublin
Rome → Dublin → Pisa
Timetable, Dublin time
08:00FR 9612 from Rome at the gate
20:15FR 5308 to Pisa leaves the gate
12 h 15 apart on the timetable
FR 5308 leaves 12 h 15 after FR 9612 arrives on the timetable: more than half a day, so not a connection we count.