F9 3990 then DL 4704 at Detroit
Dallas-Fort Worth → Detroit → Washington
Timetable, Detroit time
21:43F9 3990 from Dallas-Fort Worth at the gate
21:50DL 4704 to Washington leaves the gate
7 min apart on the timetable
The last days
F9 3990 and DL 4704 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.
Later flights to Washington
No later flight to Washington on the timetable.