AA 3810 then AA 4006 at DFW
Monterrey → Dallas-Fort Worth → Longview
Timetable, Dallas-Fort Worth time
09:55AA 3810 from Monterrey at the gate
22:41AA 4006 to Longview leaves the gate
12 h 46 apart on the timetable
AA 4006 leaves 12 h 46 after AA 3810 arrives on the timetable: more than half a day, so not a connection we count.