AA 1849 then AA 1408 at DFW
San Francisco → Dallas-Fort Worth → Huatulco
Timetable, Dallas-Fort Worth time
18:23AA 1849 from San Francisco at the gate
10:49AA 1408 to Huatulco leaves the gate
16 h 26 apart on the timetable, overnight
AA 1408 leaves 16 h 26 after AA 1849 arrives on the timetable: more than half a day, so not a connection we count.