IB 421 then LA 5792 at Barcelona
Madrid → Barcelona → Gran Canaria
Timetable, Barcelona time
19:15IB 421 from Madrid at the gatealso IB 421S, LL 3021, VY 5122, AV 6170, QR 6971
13:55LA 5792 to Gran Canaria leaves the gate
18 h 40 apart on the timetable, overnight
LA 5792 leaves 18 h 40 after IB 421 arrives on the timetable: more than half a day, so not a connection we count.