BOS → DENBoston to Denver

live

Direct flights from Boston (BOS) to Denver (DEN): 28 nonstop departures observed each week across 4 airlines. 84% of the last 19 operated flights arrived within 15 minutes of schedule. The median arrival is 7 minutes early. No cancellations were recorded across the 19 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 Boston and Denver. Updated 22 September 2026 at 21:39 UTC.

BOS Boston smooth · +10
DEN Denver smooth · +0
2,816 km · ~4h 07m est.
dep bank 05:40–20:1628x weekly
Runs reliable · 4 airlines · 28x weekly · nonstop
84% on time

of the last 19 operated BOS → DEN flights arrived within 15 minutes

Median arrival delay is −7 min. 0 of 19 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−7 minacross the last 19 operated legs
Flight time~4h 07mestimated from route distance
Weekly departures28x4 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 19

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Delta Air LinesJetBlue AirwaysSouthwest 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 days
Delta Air LinesDL

Flights DL499 07:45 daily

JetBlue AirwaysB6

Flights B6393 09:15 daily

Southwest AirlinesWN

Flights WN739 05:40 Mo Th Fr Sa Su · WN4030 09:10 Tu We · WN302 09:25 Tu We · WN947 13:30 Mo Th Fr

United AirlinesUA91% on time

Flights UA647 07:45 daily · UA662 09:35 Mo Tu We Th Fr Su · UA414 11:55 daily · UA2297 15:15 daily

History

operated legs · board outcomes
09-22B6393dep +0 → arr−7
09-22DL499dep −5 → arr−10
09-22UA2035dep +0 → arr−17
09-22UA2297dep +0 → arr−18
09-22UA414arrived−25
09-22UA647arrived−6
09-22UA662arrived−13
09-22WN302arrived−10
09-21B6393arrived−7
09-21DL499arrived+3
09-21UA2035arrived+3
09-21UA2297arrived−4
09-21UA414arrived+12
09-21UA647arrived−17
09-21UA662arrived−8
09-21WN4251arrived+150
09-21WN739arrived−8
09-21WN947arrived+20
09-20UA1932arrived+77

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
BOSBoston +10 min smooth Full BOS delay board →
DENDenver +0 min smooth Full DEN delay board →

Weather lens

Current conditions put the pressure at BOS and DEN: 44% odds of a 15+ minute delay, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Boston to Denver route actually runs

Pro Flight Search records official board updates for nonstop BOS to DEN 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 — Boston (BOS) to Denver (DEN) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/BOS-DEN
How we measure this →

BOS to DEN questions

Is BOS–DEN running on time right now?

Smooth skies ahead. The departure 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 BOS–DEN?

Operators schedule morning departures around 05:40 and evening departures around 17:00 from BOS. Earlier flights typically land before destination-airport delays accumulate later in the day; check the DEN delay card to confirm conditions when you'd arrive.

How long is the flight from BOS to DEN?

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 BOS–DEN fly?

4 carriers operate this route, around 71 flights a week between them. Compare carrier days and times in the airline list above.