AA 3803 then AA 6238 at DFW
Northwest Arkansas → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
15:40AA 3803 from Northwest Arkansas at the gate
08:25AA 6238 to Amarillo leaves the gate
16 h 45 apart on the timetable, overnight
AA 6238 leaves 16 h 45 after AA 3803 arrives on the timetable: more than half a day, so not a connection we count.