AA 4230 then AA 6238 at DFW
Tri-Cities → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
18:29AA 4230 from Tri-Cities at the gate
08:25AA 6238 to Amarillo leaves the gate
13 h 56 apart on the timetable, overnight
AA 6238 leaves 13 h 56 after AA 4230 arrives on the timetable: more than half a day, so not a connection we count.