AA 3595 then UA 8137 at O'Hare
Northwest Arkansas → Chicago → Los Angeles
Timetable, Chicago time
12:30AA 3595 from Northwest Arkansas at the gate
13:50UA 8137 to Los Angeles leaves the gate
1 h 20 apart on the timetable
The last days
AA 3595 and UA 8137 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.