AA 2169 then AA 563 at Philadelphia
Boston → Philadelphia → Miami
Timetable, Philadelphia time
23:00AA 2169 from Boston at the gate
07:00AA 563 to Miami leaves the gate
8 h apart on the timetable, overnight
The last days
AA 2169 and AA 563 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.