Delta Air LinesDL
Flights DL499 11:33 daily
live
Direct flights from Denver (DEN) to Boston (BOS): 28 nonstop departures observed each week across 4 airlines. 60% of the last 15 operated flights arrived within 15 minutes of schedule. The median arrival is 8 minutes late. No cancellations were recorded across the 15 tracked flights. The nonstop covers 2,816 km, an estimated 4 hours 7 minutes in the air. Measured by Pro Flight Search from live flight boards at Denver and Boston. Updated 9 September 2026 at 20:02 UTC.
DEN
Denver
smooth · +0
BOS
Boston
smooth · +9
2,816 km · ~4h 07m est.
Runs mixed · 4 airlines · 28x weekly · nonstop
60% on time
of the last 15 operated DEN → BOS flights arrived within 15 minutes
Median arrival delay is +8 min. 0 of 15 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+8 minacross the last 15 operated legs
Flight time~4h 07mestimated from route distance
Weekly departures28x4 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 15
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Delta Air LinesJetBlue AirlinesSouthwest AirlinesUnited Airlines
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysJetBlue AirlinesB6
Flights B6494 09:54 daily · B6394 varies daily · B6994 23:37 daily
Southwest AirlinesWN
Flights WN2279 08:40 Mo Th Fr · WN697 varies Tu We Sa Su · WN1250 14:20 Mo Th Fr · WN192 17:20 Sa Su
United AirlinesUA71% on time
Flights UA558 07:45 Mo Tu We Th Fr Su · UA1232 09:51 daily · UA597 13:50 daily · UA1912 16:00 Mo Tu We Th Fr Su
History
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at DEN and BOS: 44% odds of a 15+ minute delay and around +9 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Denver to Boston route actually runs
Pro Flight Search records official board updates for nonstop DEN to BOS flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Denver (DEN) to Boston (BOS) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/DEN-BOS
DEN to BOS questions
Is DEN–BOS running on time right now?
Smooth skies ahead. The arrival side at BOS is the weaker end, route health score 93/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on DEN–BOS?
Operators schedule morning departures around 07:45 and evening departures around 17:20 from DEN. Earlier flights typically land before destination-airport delays accumulate later in the day; check the BOS delay card to confirm conditions when you'd arrive.
How long is the flight from DEN to BOS?
Great-circle distance is 2,816 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 229–271 min gate-to-gate on this route.
How often does DEN–BOS fly?
4 carriers operate this route, around 84 flights a week between them. Compare carrier days and times in the airline list above.
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