BA 556 then FR 4861 at Fiumicino
London Heathrow → Rome → Catania
Timetable, Rome time
16:55BA 556 from London Heathrow at the gate
06:10FR 4861 to Catania leaves the gate
13 h 15 apart on the timetable, overnight
FR 4861 leaves 13 h 15 after BA 556 arrives on the timetable: more than half a day, so not a connection we count.