AA 3042 then DL 2356 at Miami
Philadelphia → Miami → New York LaGuardia
Timetable, Miami time
07:52AA 3042 from Philadelphia at the gate
08:25DL 2356 to New York LaGuardia leaves the gate
33 min apart on the timetable
The last days
AA 3042 and DL 2356 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.