DL 516 then DL 8918 at Atlanta
Dallas → Atlanta → Chicago Midway
Timetable, Atlanta time
09:15DL 516 from Dallas at the gate
14:00DL 8918 to Chicago Midway leaves the gate
4 h 45 apart on the timetable
Today
From the airport’s board at 15:21 Atlanta time
09:09DL 516 reached the gate6 min early
15:25DL 8918 left the gate1 h 25 late
6 h 16 between the gates
The last days
DL 516 and DL 8918 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.