AA 3818 then AM 1689 at DFW
El Paso → Dallas-Fort Worth → Mexico City
Timetable, Dallas-Fort Worth time
15:45AA 3818 from El Paso at the gate
13:42AM 1689 to Mexico City leaves the gate
21 h 57 apart on the timetable, overnight
AM 1689 leaves 21 h 57 after AA 3818 arrives on the timetable: more than half a day, so not a connection we count.