UA 3884 then AA 3863 at O'Hare
Melbourne (Florida) → Chicago → Northwest Arkansas
Timetable, Chicago time
01:06UA 3884 from Melbourne (Florida) at the gate
22:00AA 3863 to Northwest Arkansas leaves the gate
20 h 54 apart on the timetable
AA 3863 leaves 20 h 54 after UA 3884 arrives on the timetable: more than half a day, so not a connection we count.