AA 2387 then AA 6238 at DFW
San Francisco → Dallas-Fort Worth → Amarillo
Timetable, Dallas-Fort Worth time
19:45AA 2387 from San Francisco at the gate
08:25AA 6238 to Amarillo leaves the gate
12 h 40 apart on the timetable, overnight
AA 6238 leaves 12 h 40 after AA 2387 arrives on the timetable: more than half a day, so not a connection we count.