AZ 437 then FR 4891 at Fiumicino
Munich → Rome → Catania
Timetable, Rome time
12:30AZ 437 from Munich at the gate
12:15FR 4891 to Catania leaves the gate
23 h 45 apart on the timetable, overnight
FR 4891 leaves 23 h 45 after AZ 437 arrives on the timetable: more than half a day, so not a connection we count.