AA 1146 then AA 5604 at Charlotte
San Francisco → Charlotte → Springfield
Timetable, Charlotte time
13:02AA 1146 from San Francisco at the gate
12:55AA 5604 to Springfield leaves the gate
23 h 53 apart on the timetable, overnight
AA 5604 leaves 23 h 53 after AA 1146 arrives on the timetable: more than half a day, so not a connection we count.