FR 9674 then FR 4852 at Fiumicino
Madrid → Rome → Catania
Timetable, Rome time
12:50FR 9674 from Madrid at the gate
09:35FR 4852 to Catania leaves the gate
20 h 45 apart on the timetable, overnight
FR 4852 leaves 20 h 45 after FR 9674 arrives on the timetable: more than half a day, so not a connection we count.