V7 2164 then IB 420 at Barcelona
Nantes → Barcelona → Madrid
Timetable, Barcelona time
20:10V7 2164 from Nantes at the gate
18:55IB 420 to Madrid leaves the gatealso IB 420S, LA 1586, LL 3020, VY 5090, AV 6153, QR 6895
22 h 45 apart on the timetable, overnight
IB 420 leaves 22 h 45 after V7 2164 arrives on the timetable: more than half a day, so not a connection we count.