AA 1749 then AA 6238 at DFW
Philadelphia → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
16:53AA 1749 from Philadelphia at the gate
08:25AA 6238 to Amarillo leaves the gate
15 h 32 apart on the timetable, overnight
AA 6238 leaves 15 h 32 after AA 1749 arrives on the timetable: more than half a day, so not a connection we count.