UA599United Airlines · SFO → DEN
live · 21m ago
Route confirmed United Airlines

UA599 San FranciscoSFO · 08:10 DenverDEN · 16:08

UA599 by United Airlines flies from San Francisco (SFO) to Denver (DEN) for the Fri, Nov 6 departure.

Same number through SFO → IAD → DEN

Right nowDelayed · gate G4 · as of 06:12
09:40

departs SFO · 90 min late

Typical gate push−4 minmedian posted departure

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
11-05
+11 gate
11-04
−4 gate
11-03
−6 gate
11-02
−4 gate

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

The route today

live boards
SFOSan FranciscoOn-time likelySFO delay board →
DENDenverOn-time likelyDEN delay board →
SFO→DENevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
2.8%Chance of cancellation
+10 minTypical airport delay in this weather

Conditions at SFO and DEN 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 San Francisco

Forecast

Sat 7 Nov, local date

High21°Clikely 19°C to 23°C
Low12°Clikely 11°C to 14°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

Sat 7 Nov, local date

High15°Clikely 13°C to 16°C
Low7°Clikely 5°C to 10°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 San Francisco to Denver flights today

same route · United Airlines
UA785departs 06:15
UA336departs 10:50
UA755departs 12:45
UA1791departs 13:50
UA3913departs 16:00
UA8110departs 16:35

If UA599 is cancelled, these are the other United Airlines nonstop flights from San Francisco to Denver on the same day, with scheduled departure times in SFO 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 UA599 actually runs

Pro Flight Search has tracked every published board update for UA599 across the SFO and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands ~17 min late. Based on 5 confirmed landings · 2/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA599 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
11-05SFO 08:10 08:21 (+11)DEN
11-04SFO 08:10 08:06 (−4)DEN
11-03SFO 08:10 08:04 (−6)DEN
11-02SFO 08:10 08:06 (−4)DEN

Aircraft

Recent tails: N24988, N29978, N29971.

Board clocks recorded as SFO and DEN published them.

Planning around UA599? 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: UA599 San Francisco to Denver on-time performance, measured from the SFO and DEN airport boards.

Canonical URL
https://proflightsearch.com/flight/UA599
How we measure this →