W4 6218 then FR 4852 at Fiumicino
Valletta → Rome → Catania
Timetable, Rome time
15:45W4 6218 from Valletta at the gate
09:35FR 4852 to Catania leaves the gate
17 h 50 apart on the timetable, overnight
FR 4852 leaves 17 h 50 after W4 6218 arrives on the timetable: more than half a day, so not a connection we count.