UA 3943 then DL 1529 at Houston
Washington → Houston → Detroit
Timetable, Houston time
13:47UA 3943 from Washington at the gate
18:26DL 1529 to Detroit leaves the gate
4 h 39 apart on the timetable
The last days
UA 3943 and DL 1529 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 Detroit
UA 152819:045 h 17 after UA 3943 on the timetablenot a partner airline