UA 3874 then AA 3526 at O'Hare
Chicago Rockford → Chicago → Asheville
Timetable, Chicago time
01:21UA 3874 from Chicago Rockford at the gate
18:54AA 3526 to Asheville leaves the gate
17 h 33 apart on the timetable
AA 3526 leaves 17 h 33 after UA 3874 arrives on the timetable: more than half a day, so not a connection we count.