LL 5457 then LA 5756 at Barcelona
Vigo → Barcelona → Basel
Timetable, Barcelona time
11:45LL 5457 from Vigo at the gate
11:35LA 5756 to Basel leaves the gate
23 h 50 apart on the timetable, overnight
LA 5756 leaves 23 h 50 after LL 5457 arrives on the timetable: more than half a day, so not a connection we count.