AA 1832 then AA 6238 at DFW
Denver → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
19:37AA 1832 from Denver at the gate
08:25AA 6238 to Amarillo leaves the gate
12 h 48 apart on the timetable, overnight
AA 6238 leaves 12 h 48 after AA 1832 arrives on the timetable: more than half a day, so not a connection we count.