AA 3818 then AA 1820 at DFW
El Paso → Dallas-Fort Worth → Ontario
Timetable, Dallas-Fort Worth time
15:45AA 3818 from El Paso at the gate
08:24AA 1820 to Ontario leaves the gate
16 h 39 apart on the timetable, overnight
AA 1820 leaves 16 h 39 after AA 3818 arrives on the timetable: more than half a day, so not a connection we count.