UA3851 IndianapolisIND ChicagoORD
UA3851 by United Airlines flies from Indianapolis (IND) to Chicago (ORD).
scheduled from IND
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at IND 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 Indianapolis to Chicago flights today
same route · United AirlinesIf UA3851 is cancelled, these are the other United Airlines nonstop flights from Indianapolis to Chicago on the same day, with scheduled departure times in IND local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA3851 actually runs
Pro Flight Search has tracked every published board update for UA3851 across the IND and ORD boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at IND and ORD.
The verdict above is that record speaking, so it reflects how UA3851 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around UA3851? 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 — UA3851 Indianapolis to Chicago on-time performance, measured from the IND and ORD airport boards.
https://proflightsearch.com/flight/UA3851
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