UA840 ChicagoORD AnchorageANC

UA840 by United Airlines flies from Chicago (ORD) to Anchorage (ANC).

Right nowNext departure tomorrow Operates daily

09:06

scheduled from ORD

The route today

live boards

ORDChicagoOn-time likelyORD delay board →

ANCAnchorageOn-time likelyANC delay board →

ORD→ANCevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample

43%Chance of 15+ min delay

1.0%Chance of cancellation

+12 minTypical airport delay in this weather

Conditions at ORD and ANC 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

Chicago to Anchorage with United Airlines · Sat 31 Oct, local date

Outlook: about usual

Chance a departure is cancelled: 0.3%10.3× usual
Chance a departure leaves 60+ min late: 19%0.7× usual

Forecast weather: 92% chance of rain at Chicago; 85% chance of rain at Anchorage

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 1 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

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

Other Chicago to Anchorage flights today

same route · United Airlines

UA2133departs 15:35

UA461departs 16:05

UA841departs 16:05

If UA840 is cancelled, these are the other United Airlines nonstop flights from Chicago to Anchorage on the same day, with scheduled departure times in ORD 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 UA840 actually runs

Pro Flight Search has tracked every published board update for UA840 across the ORD and ANC boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at ORD and ANC.

The verdict above is that record speaking, so it reflects how UA840 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around UA840? 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: UA840 Chicago to Anchorage on-time performance, measured from the ORD and ANC airport boards.

Canonical URL

https://proflightsearch.com/flight/UA840

How we measure this →

UA840 ChicagoORD → AnchorageANC