AA 1985 then AA 1684 at Miami
Philadelphia → Miami → Orlando
Timetable, Miami time
12:45AA 1985 from Philadelphia at the gate
17:27AA 1684 to Orlando leaves the gate
4 h 42 apart on the timetable
The last days
AA 1985 and AA 1684 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.