IB 653 then FR 4852 at Fiumicino
Madrid → Rome → Catania
Timetable, Rome time
18:10IB 653 from Madrid at the gate
13:55FR 4852 to Catania leaves the gate
19 h 45 apart on the timetable, overnight
FR 4852 leaves 19 h 45 after IB 653 arrives on the timetable: more than half a day, so not a connection we count.