AA 1827 then AA 1652 at Philadelphia
Charlotte → Philadelphia → Chicago O'Hare
Timetable, Philadelphia time
00:17AA 1827 from Charlotte at the gate
05:52AA 1652 to Chicago O'Hare leaves the gate
5 h 35 apart on the timetable
The last days
AA 1827 and AA 1652 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.