AA 4103 then AA 2376 at Detroit
Chicago O'Hare → Detroit → Charlotte
Timetable, Detroit time
09:25AA 4103 from Chicago O'Hare at the gate
13:38AA 2376 to Charlotte leaves the gate
4 h 13 apart on the timetable
The last days
AA 4103 and AA 2376 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.