UA8218 SeattleSEA ChicagoORD
UA8218 by United Airlines flies from Seattle (SEA) to Chicago (ORD).
scheduled from SEA
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by ORD (Chicago), currently flying MVFR (marginal visual). For this route and airline, 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 →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Seattle to Chicago flights today
same route · United AirlinesIf UA8218 is cancelled, these are the other United Airlines nonstop flights from Seattle to Chicago on the same day, with scheduled departure times in SEA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA8218 actually runs
Pro Flight Search has tracked every published board update for UA8218 across the SEA and ORD boards: schedule changes, gate pushes and actual clocks. Combined risk score: 44.3/100. Based on airport operations, weather, and cached board history at SEA and ORD.
The verdict above is that record speaking, so it reflects how UA8218 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around UA8218? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — UA8218 Seattle to Chicago on-time performance, measured from the SEA and ORD airport boards.
https://proflightsearch.com/flight/UA8218
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