LL 5457 then LL 5480 at Barcelona
Vigo → Barcelona → Nantes
Timetable, Barcelona time
11:45LL 5457 from Vigo at the gate
10:45LL 5480 to Nantes leaves the gate
23 h apart on the timetable, overnight
LL 5480 leaves 23 h after LL 5457 arrives on the timetable: more than half a day, so not a connection we count.