FR 1645 then AZ 1751 at Fiumicino
Vienna → Rome → Catania
Timetable, Rome time
19:10FR 1645 from Vienna at the gate
14:20AZ 1751 to Catania leaves the gate
19 h 10 apart on the timetable, overnight
AZ 1751 leaves 19 h 10 after FR 1645 arrives on the timetable: more than half a day, so not a connection we count.