U2 2984 then FR 4856 at Fiumicino
Berlin → Rome → Catania
Timetable, Rome time
16:55U2 2984 from Berlin at the gate
08:25FR 4856 to Catania leaves the gate
15 h 30 apart on the timetable, overnight
FR 4856 leaves 15 h 30 after U2 2984 arrives on the timetable: more than half a day, so not a connection we count.