FR 2436 then GQ 821 at Fiumicino
Madrid → Rome → Athens
Timetable, Rome time
16:50FR 2436 from Madrid at the gate
13:00GQ 821 to Athens leaves the gate
20 h 10 apart on the timetable, overnight
GQ 821 leaves 20 h 10 after FR 2436 arrives on the timetable: more than half a day, so not a connection we count.