AA 3975 then AA 1698 at DFW
Memphis → Dallas-Fort Worth → Charlotte
Timetable, Dallas-Fort Worth time
13:39AA 3975 from Memphis at the gate
14:36AA 1698 to Charlotte leaves the gate
57 min apart on the timetable
The last days
AA 3975 and AA 1698 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.