BA 556 then TU 753 at Fiumicino
London Heathrow → Rome → Tunis
Timetable, Rome time
16:55BA 556 from London Heathrow at the gate
10:20TU 753 to Tunis leaves the gate
17 h 25 apart on the timetable, overnight
TU 753 leaves 17 h 25 after BA 556 arrives on the timetable: more than half a day, so not a connection we count.