DL 640 then DL 4111 at Atlanta
San Francisco → Atlanta → Shreveport
Timetable, Atlanta time
15:35DL 640 from San Francisco at the gate
15:44DL 4111 to Shreveport leaves the gate
9 min apart on the timetable
The last days
DL 640 and DL 4111 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.