AA 2138 then AA 6238 at DFW
Boston → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
16:17AA 2138 from Boston at the gate
08:25AA 6238 to Amarillo leaves the gate
16 h 08 apart on the timetable, overnight
AA 6238 leaves 16 h 08 after AA 2138 arrives on the timetable: more than half a day, so not a connection we count.