AA 3980 then AA 386 at O'Hare
Champaign → Chicago → Los Angeles
Timetable, Chicago time
17:24AA 3980 from Champaign at the gate
17:56AA 386 to Los Angeles leaves the gate
32 min apart on the timetable
The last days
AA 3980 and AA 386 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.