FR 9602 then FR 7815 at Fiumicino
Madrid → Rome → Thessaloniki
Timetable, Rome time
11:45FR 9602 from Madrid at the gate
06:10FR 7815 to Thessaloniki leaves the gate
18 h 25 apart on the timetable, overnight
FR 7815 leaves 18 h 25 after FR 9602 arrives on the timetable: more than half a day, so not a connection we count.