AA 1801 then AA 2069 at Miami
Newark → Miami → Philadelphia
Timetable, Miami time
15:27AA 1801 from Newark at the gate
16:22AA 2069 to Philadelphia leaves the gate
55 min apart on the timetable
The last days
AA 1801 and AA 2069 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.