AZ 203 then FR 2437 at Fiumicino
London Heathrow → Rome → Madrid
Timetable, Rome time
14:10AZ 203 from London Heathrow at the gate
11:15FR 2437 to Madrid leaves the gate
21 h 05 apart on the timetable, overnight
FR 2437 leaves 21 h 05 after AZ 203 arrives on the timetable: more than half a day, so not a connection we count.