AA 3818 then AA 5181 at DFW
El Paso → Dallas-Fort Worth → Houston
Timetable, Dallas-Fort Worth time
15:45AA 3818 from El Paso at the gate
08:30AA 5181 to Houston leaves the gate
16 h 45 apart on the timetable, overnight
AA 5181 leaves 16 h 45 after AA 3818 arrives on the timetable: more than half a day, so not a connection we count.