AA 1138 then DL 9970 at Atlanta
Chicago O'Hare → Atlanta → Los Angeles
Timetable, Atlanta time
16:02AA 1138 from Chicago O'Hare at the gate
17:01DL 9970 to Los Angeles leaves the gate
59 min apart on the timetable
The last days
AA 1138 and DL 9970 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.