AZ 345 then FR 4904 at Fiumicino
Nice → Rome → Palermo
Timetable, Rome time
16:30AZ 345 from Nice at the gate
11:50FR 4904 to Palermo leaves the gate
19 h 20 apart on the timetable, overnight
FR 4904 leaves 19 h 20 after AZ 345 arrives on the timetable: more than half a day, so not a connection we count.