AA 3818 then AA 5640 at DFW
El Paso → Dallas-Fort Worth → Gainesville
Timetable, Dallas-Fort Worth time
15:45AA 3818 from El Paso at the gate
13:19AA 5640 to Gainesville leaves the gate
21 h 34 apart on the timetable, overnight
AA 5640 leaves 21 h 34 after AA 3818 arrives on the timetable: more than half a day, so not a connection we count.