BA 556 then FR 1198 at Fiumicino
London Heathrow → Rome → Athens
Timetable, Rome time
16:55BA 556 from London Heathrow at the gate
12:10FR 1198 to Athens leaves the gate
19 h 15 apart on the timetable, overnight
FR 1198 leaves 19 h 15 after BA 556 arrives on the timetable: more than half a day, so not a connection we count.