FR 5315 then FR 4891 at Fiumicino
Madrid → Rome → Catania
Timetable, Rome time
19:05FR 5315 from Madrid at the gate
11:35FR 4891 to Catania leaves the gate
16 h 30 apart on the timetable, overnight
FR 4891 leaves 16 h 30 after FR 5315 arrives on the timetable: more than half a day, so not a connection we count.