UA 6103 then AA 9951 at O'Hare
Cincinnati Municipal → Chicago → Charlotte
Timetable, Chicago time
01:45UA 6103 from Cincinnati Municipal at the gate
12:00AA 9951 to Charlotte leaves the gate
10 h 15 apart on the timetable
The last days
UA 6103 and AA 9951 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.