AA 3083 then DL 763 at Atlanta
Philadelphia → Atlanta → Los Angeles
Timetable, Atlanta time
13:24AA 3083 from Philadelphia at the gate
17:59DL 763 to Los Angeles leaves the gate
4 h 35 apart on the timetable
The last days
AA 3083 and DL 763 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.