IB 409 then QR 3527 at Barcelona
Madrid → Barcelona → Hannover
Timetable, Barcelona time
11:45IB 409 from Madrid at the gatealso LA 1624, CX 1827, LL 3009, VY 5116, AV 6078, BA 7129, QR 7246, AA 8727
06:55QR 3527 to Hannover leaves the gate
19 h 10 apart on the timetable, overnight
QR 3527 leaves 19 h 10 after IB 409 arrives on the timetable: more than half a day, so not a connection we count.