AA 1985 then AA 2504 at Miami
Philadelphia → Miami → Houston
Timetable, Miami time
12:45AA 1985 from Philadelphia at the gate
19:55AA 2504 to Houston leaves the gate
7 h 10 apart on the timetable
The last days
AA 1985 and AA 2504 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.