IB 407 then QR 4704 at Barcelona
Madrid → Barcelona → Porto
Timetable, Barcelona time
09:45IB 407 from Madrid at the gatealso LA 1521, LL 3007, VY 5024, QR 5090, BA 7128, AA 8687
08:35QR 4704 to Porto leaves the gate
22 h 50 apart on the timetable, overnight
QR 4704 leaves 22 h 50 after IB 407 arrives on the timetable: more than half a day, so not a connection we count.