AA 2819 then AA 1929 at Charlotte
Salt Lake City → Charlotte → Philadelphia
Timetable, Charlotte time
05:22AA 2819 from Salt Lake City at the gate
06:05AA 1929 to Philadelphia leaves the gate
43 min apart on the timetable
The last days
AA 2819 and AA 1929 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.