AA 1929 then AA 5480 at Philadelphia
Charlotte → Philadelphia → Detroit
Timetable, Philadelphia time
07:41AA 1929 from Charlotte at the gate
08:36AA 5480 to Detroit leaves the gate
55 min apart on the timetable
The last days
AA 1929 and AA 5480 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.