AA 1878 then AA 2909 at Charlotte
San Francisco → Charlotte → Hartford
Timetable, Charlotte time
16:34AA 1878 from San Francisco at the gate
15:54AA 2909 to Hartford leaves the gate
23 h 20 apart on the timetable, overnight
AA 2909 leaves 23 h 20 after AA 1878 arrives on the timetable: more than half a day, so not a connection we count.