BN 2050 then FR 4891 at Fiumicino
Torino → Rome → Catania
Timetable, Rome time
17:10BN 2050 from Torino at the gate
11:35FR 4891 to Catania leaves the gate
18 h 25 apart on the timetable, overnight
FR 4891 leaves 18 h 25 after BN 2050 arrives on the timetable: more than half a day, so not a connection we count.