AZ 571 then FR 7815 at Fiumicino
Zurich → Rome → Thessaloniki
Timetable, Rome time
12:25AZ 571 from Zurich at the gate
06:10FR 7815 to Thessaloniki leaves the gate
17 h 45 apart on the timetable, overnight
FR 7815 leaves 17 h 45 after AZ 571 arrives on the timetable: more than half a day, so not a connection we count.