AA 3476 then AA 6238 at DFW
Huntsville → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
11:53AA 3476 from Huntsville at the gate
08:25AA 6238 to Amarillo leaves the gate
20 h 32 apart on the timetable, overnight
AA 6238 leaves 20 h 32 after AA 3476 arrives on the timetable: more than half a day, so not a connection we count.