UA1279United Airlines · DEN → BOS
live · 50m ago
Route confirmed United Airlines

UA1279 DenverDEN · 06:00 BostonBOS · 11:19

UA1279 by United Airlines flies from Denver (DEN) to Boston (BOS).

Same number through DEN → IAD → BOS

Right nowNext departure tomorrow Operates daily
06:00

scheduled from DEN

Typical gate push−8 minmedian posted departure

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
11-10
−8 gate
11-09
−8 gate
11-08
−10 gate
11-06
−8 gate
11-05
−5 gate
11-01
−10 gate
10-30
−9 gate

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

0 cancelled · 8 operations tracked

The route today

live boards
DENDenverOn-time likelyDEN delay board →
BOSBostonOn-time likelyBOS delay board →
DEN→BOSevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
37%Chance of 15+ min delay
3.0%Chance of cancellation
+7 minTypical airport delay in this weather

Conditions at DEN and BOS are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow at Denver

Forecast

Wed 11 Nov, local date

High19°Clikely 17°C to 20°C
Low3°Clikely 2°C to 5°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Washington

Forecast

Wed 11 Nov, local date

High20°Clikely 18°C to 21°C
Low5°Clikely 4°C to 8°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Denver to Boston flights today

same route · United Airlines
UA1101departs 07:40
UA2087departs 10:20
UA2853departs 12:35
UA347departs 14:10
UA421departs 16:10
UA2408departs 17:55

If UA1279 is cancelled, these are the other United Airlines nonstop flights from Denver to Boston on the same day, with scheduled departure times in DEN local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How UA1279 actually runs

Pro Flight Search has tracked every published board update for UA1279 across the DEN and BOS boards: schedule changes, gate pushes and actual clocks. Usually lands ~16 min early. Based on 8 confirmed landings · 8/8 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA1279 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
11-10DEN 06:00 05:52 (−8)BOS
11-09DEN 06:00 05:52 (−8)BOS
11-08DEN 06:00 05:50 (−10)BOS
11-06DEN 06:00 05:52 (−8)BOS
11-05DEN 06:00 05:55 (−5)BOS
11-01DEN 06:00 05:50 (−10)BOS
10-30DEN 06:00 05:51 (−9)BOS
10-29DEN 06:00 05:49 (−11)BOS

Aircraft

Recent tails: N14504, N77590, N66893, N14565.

Board clocks recorded as DEN and BOS published them.

Planning around UA1279? 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: UA1279 Denver to Boston on-time performance, measured from the DEN and BOS airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1279
How we measure this →