AA 2509 then AA 1114 at O'Hare
Charlotte → Chicago → Los Angeles
Timetable, Chicago time
16:12AA 2509 from Charlotte at the gate
20:30AA 1114 to Los Angeles leaves the gate
4 h 18 apart on the timetable
The last days
AA 2509 and AA 1114 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.