FR 7177 then FR 4852 at Fiumicino
Vienna → Rome → Catania
Timetable, Rome time
18:25FR 7177 from Vienna at the gate
09:35FR 4852 to Catania leaves the gate
15 h 10 apart on the timetable, overnight
FR 4852 leaves 15 h 10 after FR 7177 arrives on the timetable: more than half a day, so not a connection we count.