AA 3389 then AA 689 at O'Hare
Columbia Regional → Chicago → Charlotte
Timetable, Chicago time
12:00AA 3389 from Columbia Regional at the gate
18:40AA 689 to Charlotte leaves the gate
6 h 40 apart on the timetable
The last days
AA 3389 and AA 689 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.