UA 3884 then AA 3595 at O'Hare
Melbourne (Florida) → Chicago → Omaha
Timetable, Chicago time
01:06UA 3884 from Melbourne (Florida) at the gate
22:47AA 3595 to Omaha leaves the gate
21 h 41 apart on the timetable
AA 3595 leaves 21 h 41 after UA 3884 arrives on the timetable: more than half a day, so not a connection we count.