DL 635 then DL 8844 at Atlanta
San Francisco → Atlanta → Detroit
Timetable, Atlanta time
05:16DL 635 from San Francisco at the gate
09:28DL 8844 to Detroit leaves the gate
4 h 12 apart on the timetable
Today
From the airport’s board at 14:25 Atlanta time
04:55DL 635 reached the gate21 min early
09:12DL 8844 left the gate16 min early
4 h 17 between the gates
The last days
DL 635 and DL 8844 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.