AA 2133 then AA 2376 at Charlotte
Hartford → Charlotte → Detroit
Timetable, Charlotte time
10:14AA 2133 from Hartford at the gate
13:55AA 2376 to Detroit leaves the gate
3 h 41 apart on the timetable
The last days
AA 2133 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.