AZ 79 then FR 1198 at Fiumicino
Barcelona → Rome → Athens
Timetable, Rome time
18:35AZ 79 from Barcelona at the gate
10:55FR 1198 to Athens leaves the gate
16 h 20 apart on the timetable, overnight
FR 1198 leaves 16 h 20 after AZ 79 arrives on the timetable: more than half a day, so not a connection we count.