SN 3175 then FR 4852 at Fiumicino
Brussels → Rome → Catania
Timetable, Rome time
09:10SN 3175 from Brussels at the gate
06:15FR 4852 to Catania leaves the gate
21 h 05 apart on the timetable, overnight
FR 4852 leaves 21 h 05 after SN 3175 arrives on the timetable: more than half a day, so not a connection we count.