BOS → DENBoston to Denver

live

Direct flights from Boston (BOS) to Denver (DEN): 28 nonstop departures observed each week across 4 airlines. 95% of the last 19 operated flights arrived within 15 minutes of schedule. The median arrival is 17 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 20 October 2026 at 18:32 UTC.

Today, BOS → DEN

Tue 20 Oct · local times
UA800United Airlines22 min late

The BOS board at 14:29 shows departure at 17:30 instead of 17:08, gate B26 (TB).

Landing
20:07DEN board estimate · sched 19:45
Later cancelled
0.6%of 9,869 past United Airlines flights whose board showed 20 to 40 min late
Still to leave today
No other nonstoplast BOS to DEN departure of the day
Track UA800 →
  1. 05:25 WN801Southwest Airlines Departed Landed 07:32 −23
  2. 07:40 DL499Delta Air Lines Departed Landed 09:59 −19
  3. 07:45 UA647United Airlines Left 07:45 Landed 09:56 −26
  4. 09:10 B6393JetBlue Airlines Departed Landed 11:22 −20
  5. 09:30 UA2348United Airlines Left 09:40 +10 Landed 11:55 −9
  6. 10:15 WN280Southwest Airlines Left 10:15 Landed 12:45
  7. 10:38 B6993JetBlue Airlines Sched 10:38Departure not confirmed by the board DEN est. 12:51sched 13:10
  8. 11:44 UA414United Airlines Left 11:44 DEN est. 13:45In the air · sched 14:18
  9. 15:15 UA2297United Airlines On scheduleGate B31 · TB DEN est. 17:25sched 17:49
  10. 16:45 WN803Southwest Airlines On scheduleGate B33 · TB DEN 19:15scheduled
  11. 17:08 UA800United Airlines Est. 17:30 +22Gate B26 · TB DEN est. 20:07 +22sched 19:45

Checked BOS board 14:29 · DEN board 12:32

BOS Boston smooth · +0
DEN Denver smooth · +0
2,816 km · ~4h 07m est.
dep bank 05:00–20:5028x weekly
Runs reliable · 4 airlines · 28x weekly · nonstop
95% on time

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

Median arrival delay is −17 min. 0 of 19 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−17 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 07:40 daily

JetBlue AirwaysB6

Flights B6393 09:10 daily · B6993 10:38 daily

Southwest AirlinesWN80% on time

Flights WN801 varies daily · WN802 10:10 Mo Th Fr · WN280 10:15 Tu We · WN284 11:55 Su

United AirlinesUA100% on time

Flights UA647 07:45 daily · UA2348 09:30 daily · UA414 11:44 daily · UA2297 15:15 daily

History

operated legs · board outcomes
10-20B6393arrived−20
10-20DL499arrived−19
10-20UA2348dep +10 → arr−9
10-20UA414dep +0 → arr−33
10-20UA647dep +0 → arr−26
10-20WN280dep +0 → arr+0
10-20WN801arrived−23
10-19B6393arrived−24
10-19B6993arrived−16
10-19DL499arrived+5
10-19UA1932arrived−26
10-19UA2297arrived−17
10-19UA2348arrived−10
10-19UA414arrived−21
10-19UA647arrived−12
10-19UA800arrived+6
10-19WN801arrived−31
10-19WN802arrived−11
10-19WN809arrived+316

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 +0 min smooth 🌤 scattered clouds · NNE 18 kt Full BOS delay board →
DENDenver +0 min smooth 🌤 mostly cloudy · N 5 kt Full DEN delay board →

Weather lens

Current conditions put the pressure at BOS and DEN: 45% odds of a 15+ minute delay and around +10 min expected when it bites, 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. Both endpoints currently score the same, route health score 100/100. 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 07:40 and evening departures around 17:08 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 80 flights a week between them. Compare carrier days and times in the airline list above.