A3 722 then FR 1798 at Lisbon
Athens → Lisbon → Toulouse
Timetable, Lisbon time
16:15A3 722 from Athens at the gate
10:55FR 1798 to Toulouse leaves the gate
18 h 40 apart on the timetable, overnight
FR 1798 leaves 18 h 40 after A3 722 arrives on the timetable: more than half a day, so not a connection we count.