FR 1171 then AZ 1767 at Fiumicino
Catania → Rome → Palermo
Timetable, Rome time
21:20FR 1171 from Catania at the gate
18:45AZ 1767 to Palermo leaves the gate
21 h 25 apart on the timetable, overnight
AZ 1767 leaves 21 h 25 after FR 1171 arrives on the timetable: more than half a day, so not a connection we count.