DL 499 then DL 1029 at Boston
Denver → Boston → Detroit
Timetable, Boston time
17:27DL 499 from Denver at the gate
21:28DL 1029 to Detroit leaves the gate
4 h 01 apart on the timetable
The last days
DL 499 and DL 1029 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
No later flight to Detroit on the timetable.