AA 1801 then AA 1216 at Newark
Miami → New York → Charlotte
Timetable, New York time
11:30AA 1801 from Miami at the gate
17:08AA 1216 to Charlotte leaves the gate
5 h 38 apart on the timetable
The last days
AA 1801 and AA 1216 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.