BT 6054 then IB 409 at Madrid
Amsterdam → Madrid → Barcelona
Timetable, Madrid time
16:05BT 6054 from Amsterdam at the gatealso SK 6706, AR 7817
10:25IB 409 to Barcelona leaves the gatealso LA 1624, CX 1827, LL 3009, VY 5116, AV 6078, BA 7129, QR 7246, AA 8727
18 h 20 apart on the timetable, overnight
IB 409 leaves 18 h 20 after BT 6054 arrives on the timetable: more than half a day, so not a connection we count.