AA 1849 then AA 2487 at DFW
San Francisco → Dallas-Fort Worth → St Louis
Timetable, Dallas-Fort Worth time
18:23AA 1849 from San Francisco at the gate
18:00AA 2487 to St Louis leaves the gate
23 h 37 apart on the timetable, overnight
AA 2487 leaves 23 h 37 after AA 1849 arrives on the timetable: more than half a day, so not a connection we count.