FR 2403 then IB 5480 at Barcelona
Seville → Barcelona → Nantes
Timetable, Barcelona time
17:20FR 2403 from Seville at the gate
10:45IB 5480 to Nantes leaves the gatealso VY 8140
17 h 25 apart on the timetable, overnight
IB 5480 leaves 17 h 25 after FR 2403 arrives on the timetable: more than half a day, so not a connection we count.