AA 1454 then AA 3511 at DFW
Miami → Dallas-Fort Worth → Chihuahua
Timetable, Dallas-Fort Worth time
09:24AA 1454 from Miami at the gate
21:40AA 3511 to Chihuahua leaves the gate
12 h 16 apart on the timetable
AA 3511 leaves 12 h 16 after AA 1454 arrives on the timetable: more than half a day, so not a connection we count.