A3 722 then EW 9603 at Lisbon
Athens → Lisbon → Düsseldorf
Timetable, Lisbon time
16:15A3 722 from Athens at the gate
13:30EW 9603 to Düsseldorf leaves the gate
21 h 15 apart on the timetable, overnight
EW 9603 leaves 21 h 15 after A3 722 arrives on the timetable: more than half a day, so not a connection we count.