A3 710 then LL 5480 at Barcelona
Athens → Barcelona → Nantes
Timetable, Barcelona time
10:25A3 710 from Athens at the gate
10:15LL 5480 to Nantes leaves the gate
23 h 50 apart on the timetable, overnight
LL 5480 leaves 23 h 50 after A3 710 arrives on the timetable: more than half a day, so not a connection we count.