UA 3886 then AA 9922 at O'Hare
Chicago Rockford → Chicago → Charlotte
Timetable, Chicago time
23:32UA 3886 from Chicago Rockford at the gate
10:00AA 9922 to Charlotte leaves the gate
10 h 28 apart on the timetable, overnight
The last days
UA 3886 and AA 9922 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.