AZ 1724 then DY 3731 at Fiumicino
Catania → Rome → Copenhagen
Timetable, Rome time
12:55AZ 1724 from Catania at the gate
11:05DY 3731 to Copenhagen leaves the gate
22 h 10 apart on the timetable, overnight
DY 3731 leaves 22 h 10 after AZ 1724 arrives on the timetable: more than half a day, so not a connection we count.