UA 3634 then AA 1081 at Charlotte
Washington → Charlotte → Indianapolis
Timetable, Charlotte time
10:42UA 3634 from Washington at the gate
22:55AA 1081 to Indianapolis leaves the gate
12 h 13 apart on the timetable
AA 1081 leaves 12 h 13 after UA 3634 arrives on the timetable: more than half a day, so not a connection we count.