AA 2398 then DL 9970 at Atlanta
Dallas-Fort Worth → Atlanta → Los Angeles
Timetable, Atlanta time
16:40AA 2398 from Dallas-Fort Worth at the gate
17:01DL 9970 to Los Angeles leaves the gate
21 min apart on the timetable
The last days
AA 2398 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.