LL 5487 then LL 5480 at Barcelona
Zurich → Barcelona → Nantes
Timetable, Barcelona time
11:30LL 5487 from Zurich at the gate
10:15LL 5480 to Nantes leaves the gate
22 h 45 apart on the timetable, overnight
LL 5480 leaves 22 h 45 after LL 5487 arrives on the timetable: more than half a day, so not a connection we count.