UA 3884 then AA 2277 at O'Hare
Melbourne (Florida) → Chicago → Sacramento
Timetable, Chicago time
01:06UA 3884 from Melbourne (Florida) at the gate
21:08AA 2277 to Sacramento leaves the gate
20 h 02 apart on the timetable
AA 2277 leaves 20 h 02 after UA 3884 arrives on the timetable: more than half a day, so not a connection we count.