BM 522 then AZ 1751 at Fiumicino
Tripoli → Rome → Catania
Timetable, Rome time
17:00BM 522 from Tripoli at the gate
14:20AZ 1751 to Catania leaves the gate
21 h 20 apart on the timetable, overnight
AZ 1751 leaves 21 h 20 after BM 522 arrives on the timetable: more than half a day, so not a connection we count.