AA 320 then AA 2820 at Miami
Tocumen → Miami → Charlotte
Timetable, Miami time
18:15AA 320 from Tocumen at the gate
19:10AA 2820 to Charlotte leaves the gate
55 min apart on the timetable
The last days
AA 320 and AA 2820 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.