AA 583 then AA 6238 at DFW
Philadelphia → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
09:56AA 583 from Philadelphia at the gate
08:25AA 6238 to Amarillo leaves the gate
22 h 29 apart on the timetable, overnight
AA 6238 leaves 22 h 29 after AA 583 arrives on the timetable: more than half a day, so not a connection we count.