AA 479 then AA 6238 at DFW
Boston → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
13:27AA 479 from Boston at the gate
08:25AA 6238 to Amarillo leaves the gate
18 h 58 apart on the timetable, overnight
AA 6238 leaves 18 h 58 after AA 479 arrives on the timetable: more than half a day, so not a connection we count.