AA 2828 then AA 6238 at DFW
Miami → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
20:08AA 2828 from Miami at the gate
08:25AA 6238 to Amarillo leaves the gate
12 h 17 apart on the timetable, overnight
AA 6238 leaves 12 h 17 after AA 2828 arrives on the timetable: more than half a day, so not a connection we count.