AA 112 then EW 2523 at Barcelona
Miami → Barcelona → Stuttgart
Timetable, Barcelona time
07:05AA 112 from Miami at the gatealso BA 1514, AY 3780, IB 4460
19:55EW 2523 to Stuttgart leaves the gate
12 h 50 apart on the timetable
EW 2523 leaves 12 h 50 after AA 112 arrives on the timetable: more than half a day, so not a connection we count.