UA 3884 then AA 1245 at O'Hare
Melbourne (Florida) → Chicago → Charleston (South Carolina)
Timetable, Chicago time
01:06UA 3884 from Melbourne (Florida) at the gate
20:59AA 1245 to Charleston (South Carolina) leaves the gate
19 h 53 apart on the timetable
AA 1245 leaves 19 h 53 after UA 3884 arrives on the timetable: more than half a day, so not a connection we count.