UA 3884 then AA 4529 at O'Hare
Melbourne (Florida) → Chicago → Kansas City
Timetable, Chicago time
01:06UA 3884 from Melbourne (Florida) at the gate
22:40AA 4529 to Kansas City leaves the gate
21 h 34 apart on the timetable
AA 4529 leaves 21 h 34 after UA 3884 arrives on the timetable: more than half a day, so not a connection we count.