AA 4940 then AA 588 at Charlotte
Shreveport → Charlotte → Phoenix
Timetable, Charlotte time
10:41AA 4940 from Shreveport at the gate
11:36AA 588 to Phoenix leaves the gate
55 min apart on the timetable
The last days
AA 4940 and AA 588 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.