AA 5211 then AA 3140 at Charlotte
Myrtle Beach → Charlotte → New York LaGuardia
Timetable, Charlotte time
11:32AA 5211 from Myrtle Beach at the gate
12:30AA 3140 to New York LaGuardia leaves the gate
58 min apart on the timetable
The last days
AA 5211 and AA 3140 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.