AA 186 then AA 738 at Phoenix
Cancún → Phoenix → Charlotte
Timetable, Phoenix time
18:38AA 186 from Cancún at the gate
23:05AA 738 to Charlotte leaves the gate
4 h 27 apart on the timetable
The last days
AA 186 and AA 738 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.