AZ 1734 then FR 8481 at Fiumicino
Catania → Rome → Seville
Timetable, Rome time
15:35AZ 1734 from Catania at the gate
14:20FR 8481 to Seville leaves the gate
22 h 45 apart on the timetable, overnight
FR 8481 leaves 22 h 45 after AZ 1734 arrives on the timetable: more than half a day, so not a connection we count.