AA 192 then QR 3663 at Barcelona
Dallas-Fort Worth → Barcelona → Milan
Timetable, Barcelona time
07:55AA 192 from Dallas-Fort Worth at the gatealso BA 1648, AY 3842, IB 4792
20:00QR 3663 to Milan leaves the gatealso IB 5366, LL 5366, VY 6054
12 h 05 apart on the timetable
QR 3663 leaves 12 h 05 after AA 192 arrives on the timetable: more than half a day, so not a connection we count.