AZ 1734 then FR 9673 at Fiumicino
Catania → Rome → Madrid
Timetable, Rome time
15:35AZ 1734 from Catania at the gate
12:35FR 9673 to Madrid leaves the gate
21 h apart on the timetable, overnight
FR 9673 leaves 21 h after AZ 1734 arrives on the timetable: more than half a day, so not a connection we count.