UA1840United Airlines · DEN → SLC
live · 12m ago
Route confirmed United Airlines

UA1840 DenverDEN Salt Lake CitySLC

UA1840 by United Airlines flies from Denver (DEN) to Salt Lake City (SLC).

Right nowNext departure today Operates daily
14:36

scheduled from DEN

The route today

live boards
DENDenverHigh riskDEN delay board →
SLCSalt Lake CityModerate riskSLC delay board →
DEN→SLCevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
40%Chance of 15+ min delay
7.5%Chance of cancellation
+14 minTypical airport delay in this weather

Driven mainly by DEN (Denver), currently flying IFR (instrument). 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 DEN

Forecast

Mon 16 Nov, local date

High16°Clikely 13°C to 18°C
Low1°Clikely −1°C to 3°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 SLC

Forecast

Mon 16 Nov, local date

High15°Clikely 13°C to 17°C
Low5°Clikely 2°C to 7°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 Salt Lake City flights today

same route · United Airlines
UA2733departs 08:00
UA4743departs 08:00
UA5277departs 08:00
UA1963departs 11:52
UA379departs 13:45
UA5322departs 13:45

If UA1840 is cancelled, these are the other United Airlines nonstop flights from Denver to Salt Lake City 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 UA1840 actually runs

Pro Flight Search has tracked every published board update for UA1840 across the DEN and SLC boards: schedule changes, gate pushes and actual clocks. Combined risk score: 80.1/100. Based on airport operations, weather, and cached board history at DEN and SLC.

The verdict above is that record speaking, so it reflects how UA1840 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around UA1840? 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: UA1840 Denver to Salt Lake City on-time performance, measured from the DEN and SLC airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1840
How we measure this →