AA 3818 then AA 4230 at DFW
El Paso → Dallas-Fort Worth → Tri-Cities
Timetable, Dallas-Fort Worth time
15:45AA 3818 from El Paso at the gate
12:43AA 4230 to Tri-Cities leaves the gate
20 h 58 apart on the timetable, overnight
AA 4230 leaves 20 h 58 after AA 3818 arrives on the timetable: more than half a day, so not a connection we count.