AA 5809 then AA 2534 at Charlotte
Harrisburg → Charlotte → Chicago O'Hare
Timetable, Charlotte time
09:15AA 5809 from Harrisburg at the gate
09:43AA 2534 to Chicago O'Hare leaves the gate
28 min apart on the timetable
The last days
AA 5809 and AA 2534 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.