AA 856 then AA 6238 at DFW
Detroit → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
11:54AA 856 from Detroit at the gate
08:25AA 6238 to Amarillo leaves the gate
20 h 31 apart on the timetable, overnight
AA 6238 leaves 20 h 31 after AA 856 arrives on the timetable: more than half a day, so not a connection we count.