AA 752 then AA 6238 at DFW
San Antonio → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
19:06AA 752 from San Antonio at the gate
08:25AA 6238 to Amarillo leaves the gate
13 h 19 apart on the timetable, overnight
AA 6238 leaves 13 h 19 after AA 752 arrives on the timetable: more than half a day, so not a connection we count.