AA 1739 then AA 2282 at Philadelphia
St Louis → Philadelphia → Charlotte
Timetable, Philadelphia time
14:40AA 1739 from St Louis at the gate
17:43AA 2282 to Charlotte leaves the gate
3 h 03 apart on the timetable
The last days
AA 1739 and AA 2282 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.