IB 2251 then LA 5756 at Barcelona
Melilla → Barcelona → Basel
Timetable, Barcelona time
12:30IB 2251 from Melilla at the gatealso LL 3103
11:35LA 5756 to Basel leaves the gate
23 h 05 apart on the timetable, overnight
LA 5756 leaves 23 h 05 after IB 2251 arrives on the timetable: more than half a day, so not a connection we count.