AA 1878 then AA 6012 at Charlotte
San Francisco → Charlotte → Asheville
Timetable, Charlotte time
16:34AA 1878 from San Francisco at the gate
15:55AA 6012 to Asheville leaves the gate
23 h 21 apart on the timetable, overnight
AA 6012 leaves 23 h 21 after AA 1878 arrives on the timetable: more than half a day, so not a connection we count.