AA 1839 then AA 3511 at DFW
Washington National → Dallas-Fort Worth → Chihuahua
Timetable, Dallas-Fort Worth time
09:37AA 1839 from Washington National at the gate
21:40AA 3511 to Chihuahua leaves the gate
12 h 03 apart on the timetable
AA 3511 leaves 12 h 03 after AA 1839 arrives on the timetable: more than half a day, so not a connection we count.