AA 3818 then AA 3502 at DFW
El Paso → Dallas-Fort Worth → Laredo
Timetable, Dallas-Fort Worth time
15:45AA 3818 from El Paso at the gate
13:12AA 3502 to Laredo leaves the gate
21 h 27 apart on the timetable, overnight
AA 3502 leaves 21 h 27 after AA 3818 arrives on the timetable: more than half a day, so not a connection we count.