FR 1171 then OS 558 at Fiumicino
Catania → Rome → Vienna
Timetable, Rome time
21:20FR 1171 from Catania at the gate
20:05OS 558 to Vienna leaves the gate
22 h 45 apart on the timetable, overnight
OS 558 leaves 22 h 45 after FR 1171 arrives on the timetable: more than half a day, so not a connection we count.