BA 1524 then VY 1084 at Barcelona
Chicago → Barcelona → Basel
Timetable, Barcelona time
09:50BA 1524 from Chicago at the gatealso AY 3828, IB 4382
08:00VY 1084 to Basel leaves the gatealso QR 3787, IB 5036, LL 5036
22 h 10 apart on the timetable, overnight
VY 1084 leaves 22 h 10 after BA 1524 arrives on the timetable: more than half a day, so not a connection we count.