UA 3421 then AA 3145 at Charlotte
Newark → Charlotte → New Orleans
Timetable, Charlotte time
11:39UA 3421 from Newark at the gate
10:45AA 3145 to New Orleans leaves the gate
23 h 06 apart on the timetable, overnight
AA 3145 leaves 23 h 06 after UA 3421 arrives on the timetable: more than half a day, so not a connection we count.