AA 3818 then AA 3125 at DFW
El Paso → Dallas-Fort Worth → Tucson
Timetable, Dallas-Fort Worth time
15:45AA 3818 from El Paso at the gate
14:44AA 3125 to Tucson leaves the gate
22 h 59 apart on the timetable, overnight
AA 3125 leaves 22 h 59 after AA 3818 arrives on the timetable: more than half a day, so not a connection we count.