UA4177 Grand RapidsGRR ChicagoORD
UA4177 by United Airlines flies from Grand Rapids (GRR) to Chicago (ORD).
scheduled from GRR
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at GRR and ORD are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 Grand Rapids to Chicago flights today
same route · United AirlinesIf UA4177 is cancelled, these are the other United Airlines nonstop flights from Grand Rapids to Chicago on the same day, with scheduled departure times in GRR local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA4177 actually runs
Pro Flight Search has tracked every published board update for UA4177 across the GRR and ORD boards: schedule changes, gate pushes and actual clocks. Combined risk score: 42.3/100. Based on airport operations, weather, and cached board history at GRR and ORD.
The verdict above is that record speaking, so it reflects how UA4177 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around UA4177? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA4177 Grand Rapids to Chicago on-time performance, measured from the GRR and ORD airport boards.
https://proflightsearch.com/flight/UA4177
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