FR 7816 then IB 648 at Fiumicino
Thessaloniki → Rome → Madrid
Timetable, Rome time
17:30FR 7816 from Thessaloniki at the gate
12:00IB 648 to Madrid leaves the gate
18 h 30 apart on the timetable, overnight
IB 648 leaves 18 h 30 after FR 7816 arrives on the timetable: more than half a day, so not a connection we count.