FR 5020 then FR 7072 at Dublin
Pisa → Dublin → Porto
Timetable, Dublin time
12:35FR 5020 from Pisa at the gate
06:00FR 7072 to Porto leaves the gate
17 h 25 apart on the timetable, overnight
FR 7072 leaves 17 h 25 after FR 5020 arrives on the timetable: more than half a day, so not a connection we count.