DL 2856 then OH 9672 at Atlanta
Detroit → Atlanta → Washington National
Timetable, Atlanta time
12:36DL 2856 from Detroit at the gate
17:16OH 9672 to Washington National leaves the gate
4 h 40 apart on the timetable
The last days
DL 2856 and OH 9672 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.