UA8164United Airlines · IAD → LAS
live · 37m ago
Route confirmed United Airlines

UA8164 WashingtonIAD Las VegasLAS

UA8164 by United Airlines flies from Washington (IAD) to Las Vegas (LAS).

Right nowNext departure today Operates daily
23:31

scheduled from IAD

The route today

live boards
IADWashingtonOn-time likelyIAD delay board →
LASLas VegasHigh riskLAS delay board →
IAD→LASevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
40%Chance of 15+ min delay
2.9%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at IAD and LAS 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 on this route

Forecast

Washington to Las Vegas with United Airlines · Sun 1 Nov, local date

Outlook: below usual
Chance a departure is cancelled
0.3%0.8× usual
Chance a departure leaves 60+ min late
6.5%0.8× usual

Forecast weather: 83% chance of rain at Las Vegas

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 3 departures a day on this route with this airline. · 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 Washington to Las Vegas flights today

same route · United Airlines
UA1323departs 09:00
UA2156departs 12:55
UA2209departs 17:40

If UA8164 is cancelled, these are the other United Airlines nonstop flights from Washington to Las Vegas on the same day, with scheduled departure times in IAD 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 UA8164 actually runs

Pro Flight Search has tracked every published board update for UA8164 across the IAD and LAS boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at IAD and LAS.

The verdict above is that record speaking, so it reflects how UA8164 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around UA8164? 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: UA8164 Washington to Las Vegas on-time performance, measured from the IAD and LAS airport boards.

Canonical URL
https://proflightsearch.com/flight/UA8164
How we measure this →