AA 1810 then AA 891 at Charlotte
Milwaukee → Charlotte → Philadelphia
Timetable, Charlotte time
14:00AA 1810 from Milwaukee at the gate
18:04AA 891 to Philadelphia leaves the gate
4 h 04 apart on the timetable
The last days
AA 1810 and AA 891 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.