TP 836 then FR 4856 at Fiumicino
Lisbon → Rome → Catania
Timetable, Rome time
18:45TP 836 from Lisbon at the gate
16:25FR 4856 to Catania leaves the gate
21 h 40 apart on the timetable, overnight
FR 4856 leaves 21 h 40 after TP 836 arrives on the timetable: more than half a day, so not a connection we count.