FR 8197 then GQ 821 at Fiumicino
Lisbon → Rome → Athens
Timetable, Rome time
15:15FR 8197 from Lisbon at the gate
13:00GQ 821 to Athens leaves the gate
21 h 45 apart on the timetable, overnight
GQ 821 leaves 21 h 45 after FR 8197 arrives on the timetable: more than half a day, so not a connection we count.