QR 3752 then VY 1084 at Barcelona
Nice → Barcelona → Basel
Timetable, Barcelona time
10:15QR 3752 from Nice at the gatealso IB 5475, LA 5805, VY 8135
09:40VY 1084 to Basel leaves the gatealso IB 5036, LL 5036
23 h 25 apart on the timetable, overnight
VY 1084 leaves 23 h 25 after QR 3752 arrives on the timetable: more than half a day, so not a connection we count.