FR 7073 then FR 4518 at Dublin
Porto → Dublin → Athens
Timetable, Dublin time
23:00FR 7073 from Porto at the gate
17:50FR 4518 to Athens leaves the gate
18 h 50 apart on the timetable, overnight
FR 4518 leaves 18 h 50 after FR 7073 arrives on the timetable: more than half a day, so not a connection we count.