IB 420 then FR 2766 at Madrid
Barcelona → Madrid → Prague
Timetable, Madrid time
20:20IB 420 from Barcelona at the gatealso LA 1586, LL 3020, VY 5090, AV 6153, QR 6895
18:20FR 2766 to Prague leaves the gate
22 h apart on the timetable, overnight
FR 2766 leaves 22 h after IB 420 arrives on the timetable: more than half a day, so not a connection we count.