UA1801United Airlines · ORD → SEA
live · 43m ago
Route confirmed United Airlines

UA1801 ChicagoORD · 16:15 SeattleSEA · 19:03

UA1801 by United Airlines flies from Chicago (ORD) to Seattle (SEA) for the Thu, Nov 12 departure.

Right nowScheduled · gate E10 · as of 14:07
16:15

departs ORD · on schedule

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
SEASeattleModerate riskSEA delay board →
ORD→SEAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
34%Chance of 15+ min delay
1.6%Chance of cancellation
+5 minTypical airport delay in this weather

Conditions at ORD and SEA 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 Chicago

Forecast

Fri 13 Nov, local date

High6°Clikely 5°C to 7°C
Low2°Clikely 0°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 Seattle

Forecast

Fri 13 Nov, local date

High14°Clikely 13°C to 15°C
Low10°Clikely 8°C to 11°C
  • 94% chance of rain

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 Chicago to Seattle flights today

same route · United Airlines
UA8201departs 08:50
UA2099departs 09:25
UA3811departs 12:30
UA1660departs 12:45
UA2263departs 20:20
UA8211departs 20:30

If UA1801 is cancelled, these are the other United Airlines nonstop flights from Chicago to Seattle 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 UA1801 actually runs

Pro Flight Search has tracked every published board update for UA1801 across the ORD and SEA boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: departed +24 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA1801 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
11-11ORD 16:15 17:12 (+57)SEA 19:03
11-10ORD 16:15 16:05 (−10)SEA 19:03

Board clocks recorded as ORD and SEA published them.

Planning around UA1801? 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: UA1801 Chicago to Seattle on-time performance, measured from the ORD and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1801
How we measure this →