AA 1849 then AA 3875 at DFW
San Francisco → Dallas-Fort Worth → Brownsville
Timetable, Dallas-Fort Worth time
18:23AA 1849 from San Francisco at the gate
17:53AA 3875 to Brownsville leaves the gate
23 h 30 apart on the timetable, overnight
AA 3875 leaves 23 h 30 after AA 1849 arrives on the timetable: more than half a day, so not a connection we count.