AA 783 then AA 4612 at Miami
Tampa → Miami → Pittsburgh
Timetable, Miami time
12:49AA 783 from Tampa at the gate
14:06AA 4612 to Pittsburgh leaves the gate
1 h 17 apart on the timetable
The last days
AA 783 and AA 4612 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.