AZ 1724 then FR 4437 at Fiumicino
Catania → Rome → Riga
Timetable, Rome time
12:55AZ 1724 from Catania at the gate
06:00FR 4437 to Riga leaves the gate
17 h 05 apart on the timetable, overnight
FR 4437 leaves 17 h 05 after AZ 1724 arrives on the timetable: more than half a day, so not a connection we count.