AA 1878 then AA 3686 at Charlotte
San Francisco → Charlotte → Greensboro
Timetable, Charlotte time
16:34AA 1878 from San Francisco at the gate
16:25AA 3686 to Greensboro leaves the gate
23 h 51 apart on the timetable, overnight
AA 3686 leaves 23 h 51 after AA 1878 arrives on the timetable: more than half a day, so not a connection we count.