AA 470 then AA 2530 at Charlotte
Baltimore → Charlotte → Chicago O'Hare
Timetable, Charlotte time
07:20AA 470 from Baltimore at the gate
13:02AA 2530 to Chicago O'Hare leaves the gate
5 h 42 apart on the timetable
The last days
AA 470 and AA 2530 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.