AA 3399 then AA 356 at Phoenix
Monterrey → Phoenix → Dallas-Fort Worth
Timetable, Phoenix time
19:33AA 3399 from Monterrey at the gate
19:25AA 356 to Dallas-Fort Worth leaves the gate
23 h 52 apart on the timetable, overnight
AA 356 leaves 23 h 52 after AA 3399 arrives on the timetable: more than half a day, so not a connection we count.