LL 5023 then LL 5506 at Barcelona
Athens → Barcelona → Seville
Timetable, Barcelona time
14:05LL 5023 from Athens at the gate
07:15LL 5506 to Seville leaves the gate
17 h 10 apart on the timetable, overnight
LL 5506 leaves 17 h 10 after LL 5023 arrives on the timetable: more than half a day, so not a connection we count.