UA1547 SeattleSEA · 23:13 ChicagoORD · 05:19
UA1547 by United Airlines flies from Seattle (SEA) to Chicago (ORD).
scheduled from SEA
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SEA and ORD 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
ForecastSeattle to Chicago with United Airlines · Fri 30 Oct, local date
- Chance a departure is cancelled
- 0.5%1.1× usual
- Chance a departure leaves 60+ min late
- 15%0.9× usual
Forecast weather: 82% chance of rain at Seattle
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · Fewer than one departure a day on this route with this airline, so read it as a rough guide. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
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 UA1547 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 that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How UA1547 actually runs
Pro Flight Search has tracked every published board update for UA1547 across the SEA and ORD boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: landed -25 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA1547 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as SEA and ORD published them.
Planning around UA1547? 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: UA1547 Seattle to Chicago on-time performance, measured from the SEA and ORD airport boards.
https://proflightsearch.com/flight/UA1547
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