AA 3258 then AA 9791 at Miami
Houston → Miami → Tampa
Timetable, Miami time
13:23AA 3258 from Houston at the gate
17:31AA 9791 to Tampa leaves the gate
4 h 08 apart on the timetable
The last days
AA 3258 and AA 9791 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.