AA 1980 then AA 1830 at Philadelphia
Miami → Philadelphia → Dallas-Fort Worth
Timetable, Philadelphia time
23:53AA 1980 from Miami at the gate
08:20AA 1830 to Dallas-Fort Worth leaves the gate
8 h 27 apart on the timetable, overnight
The last days
AA 1980 and AA 1830 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.