AA 1849 then AA 2650 at DFW
San Francisco → Dallas-Fort Worth → Cancún
Timetable, Dallas-Fort Worth time
18:23AA 1849 from San Francisco at the gate
17:30AA 2650 to Cancún leaves the gate
23 h 07 apart on the timetable, overnight
AA 2650 leaves 23 h 07 after AA 1849 arrives on the timetable: more than half a day, so not a connection we count.