BA 550 then FR 5316 at Fiumicino
London Heathrow → Rome → Madrid
Timetable, Rome time
11:20BA 550 from London Heathrow at the gate
05:45FR 5316 to Madrid leaves the gate
18 h 25 apart on the timetable, overnight
FR 5316 leaves 18 h 25 after BA 550 arrives on the timetable: more than half a day, so not a connection we count.