AA 1944 then AA 2174 at Charlotte
Mexico City → Charlotte → Denver
Timetable, Charlotte time
13:03AA 1944 from Mexico City at the gate
13:35AA 2174 to Denver leaves the gate
32 min apart on the timetable
The last days
AA 1944 and AA 2174 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.