AA 2872 then AA 6238 at DFW
Sioux Falls → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
15:30AA 2872 from Sioux Falls at the gate
08:25AA 6238 to Amarillo leaves the gate
16 h 55 apart on the timetable, overnight
AA 6238 leaves 16 h 55 after AA 2872 arrives on the timetable: more than half a day, so not a connection we count.