BA 556 then FR 1170 at Fiumicino
London Heathrow → Rome → Catania
Timetable, Rome time
16:55BA 556 from London Heathrow at the gate
12:50FR 1170 to Catania leaves the gate
19 h 55 apart on the timetable, overnight
FR 1170 leaves 19 h 55 after BA 556 arrives on the timetable: more than half a day, so not a connection we count.