AA 1144 then AA 2156 at Miami
Cartagena → Miami → Atlanta
Timetable, Miami time
17:38AA 1144 from Cartagena at the gate
20:43AA 2156 to Atlanta leaves the gate
3 h 05 apart on the timetable
The last days
AA 1144 and AA 2156 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.