FR 4903 then FR 6007 at Fiumicino
Palermo → Rome → Porto
Timetable, Rome time
23:45FR 4903 from Palermo at the gate
21:25FR 6007 to Porto leaves the gate
21 h 40 apart on the timetable, overnight
FR 6007 leaves 21 h 40 after FR 4903 arrives on the timetable: more than half a day, so not a connection we count.