AA 1858 then UA 3441 at Charlotte
Omaha → Charlotte → Washington
Timetable, Charlotte time
11:19AA 1858 from Omaha at the gate
10:24UA 3441 to Washington leaves the gate
23 h 05 apart on the timetable, overnight
UA 3441 leaves 23 h 05 after AA 1858 arrives on the timetable: more than half a day, so not a connection we count.