UA1851 MadisonMSN ChicagoORD · 17:55
UA1851 by United Airlines flies from Madison (MSN) to Chicago (ORD).
scheduled from MSN
The route today
live boardsTomorrow at Chicago
ForecastSat 7 Nov, local date
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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How UA1851 actually runs
Pro Flight Search has tracked every published board update for UA1851 across the MSN and ORD boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: landed -13 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA1851 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 MSN and ORD published them.
Planning around UA1851? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: UA1851 Madison to Chicago on-time performance, measured from the MSN and ORD airport boards.
https://proflightsearch.com/flight/UA1851
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