AA 3308 then AA 3058 at Boston
Philadelphia → Boston → New York LaGuardia
Timetable, Boston time
09:03AA 3308 from Philadelphia at the gate
09:50AA 3058 to New York LaGuardia leaves the gate
47 min apart on the timetable
The last days
AA 3308 and AA 3058 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.