AA 3818 then AA 3835 at DFW
El Paso → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
15:45AA 3818 from El Paso at the gate
15:24AA 3835 to Amarillo leaves the gate
23 h 39 apart on the timetable, overnight
AA 3835 leaves 23 h 39 after AA 3818 arrives on the timetable: more than half a day, so not a connection we count.