UA 3884 then AA 4452 at O'Hare
Melbourne (Florida) → Chicago → New Orleans
Timetable, Chicago time
01:06UA 3884 from Melbourne (Florida) at the gate
21:15AA 4452 to New Orleans leaves the gate
20 h 09 apart on the timetable
AA 4452 leaves 20 h 09 after UA 3884 arrives on the timetable: more than half a day, so not a connection we count.