AZ 577 then FR 4861 at Fiumicino
Geneva → Rome → Catania
Timetable, Rome time
20:30AZ 577 from Geneva at the gate
09:15FR 4861 to Catania leaves the gate
12 h 45 apart on the timetable, overnight
FR 4861 leaves 12 h 45 after AZ 577 arrives on the timetable: more than half a day, so not a connection we count.