BA 558 then AZ 1359 at Fiumicino
London Heathrow → Rome → Trieste
Timetable, Rome time
18:10BA 558 from London Heathrow at the gate
17:20AZ 1359 to Trieste leaves the gate
23 h 10 apart on the timetable, overnight
AZ 1359 leaves 23 h 10 after BA 558 arrives on the timetable: more than half a day, so not a connection we count.