AA 175 then AA 400 at Charlotte
Los Angeles → Charlotte → Miami
Timetable, Charlotte time
13:44AA 175 from Los Angeles at the gate
16:42AA 400 to Miami leaves the gate
2 h 58 apart on the timetable
The last days
AA 175 and AA 400 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.