AZ 1754 then FR 9673 at Fiumicino
Catania → Rome → Madrid
Timetable, Rome time
17:55AZ 1754 from Catania at the gate
12:35FR 9673 to Madrid leaves the gate
18 h 40 apart on the timetable, overnight
FR 9673 leaves 18 h 40 after AZ 1754 arrives on the timetable: more than half a day, so not a connection we count.