BA 554 then FR 5816 at Fiumicino
London Heathrow → Rome → Bari
Timetable, Rome time
15:20BA 554 from London Heathrow at the gate
08:15FR 5816 to Bari leaves the gate
16 h 55 apart on the timetable, overnight
FR 5816 leaves 16 h 55 after BA 554 arrives on the timetable: more than half a day, so not a connection we count.