AZ 159 then FR 4904 at Fiumicino
Brussels → Rome → Palermo
Timetable, Rome time
13:40AZ 159 from Brussels at the gate
11:50FR 4904 to Palermo leaves the gate
22 h 10 apart on the timetable, overnight
FR 4904 leaves 22 h 10 after AZ 159 arrives on the timetable: more than half a day, so not a connection we count.