FR 7177 then FR 4861 at Fiumicino
Vienna → Rome → Catania
Timetable, Rome time
10:10FR 7177 from Vienna at the gate
09:15FR 4861 to Catania leaves the gate
23 h 05 apart on the timetable, overnight
FR 4861 leaves 23 h 05 after FR 7177 arrives on the timetable: more than half a day, so not a connection we count.