AA 2582 then AA 2912 at Charlotte
Detroit → Charlotte → New York LaGuardia
Timetable, Charlotte time
12:02AA 2582 from Detroit at the gate
16:31AA 2912 to New York LaGuardia leaves the gate
4 h 29 apart on the timetable
The last days
AA 2582 and AA 2912 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.