AA 2387 then AA 1408 at DFW
San Francisco → Dallas-Fort Worth → Huatulco
Timetable, Dallas-Fort Worth time
19:45AA 2387 from San Francisco at the gate
10:49AA 1408 to Huatulco leaves the gate
15 h 04 apart on the timetable, overnight
AA 1408 leaves 15 h 04 after AA 2387 arrives on the timetable: more than half a day, so not a connection we count.