AA 4083 then UA 3441 at Charlotte
Springfield → Charlotte → Washington
Timetable, Charlotte time
11:08AA 4083 from Springfield at the gate
10:24UA 3441 to Washington leaves the gate
23 h 16 apart on the timetable, overnight
UA 3441 leaves 23 h 16 after AA 4083 arrives on the timetable: more than half a day, so not a connection we count.