UA 769 then VY 1396 at Barcelona
Chicago → Barcelona → Seville
Timetable, Barcelona time
13:15UA 769 from Chicago at the gatealso AC 4791, LH 8546
07:15VY 1396 to Seville leaves the gatealso QR 3750, IB 5506
18 h apart on the timetable, overnight
VY 1396 leaves 18 h after UA 769 arrives on the timetable: more than half a day, so not a connection we count.