UA 3874 then AA 4077 at O'Hare
Chicago Rockford → Chicago → Akron
Timetable, Chicago time
01:21UA 3874 from Chicago Rockford at the gate
14:05AA 4077 to Akron leaves the gate
12 h 44 apart on the timetable
AA 4077 leaves 12 h 44 after UA 3874 arrives on the timetable: more than half a day, so not a connection we count.