UA3903 Raleigh/DurhamRDU ChicagoORD
UA3903 by United Airlines flies from Raleigh/Durham (RDU) to Chicago (ORD).
scheduled from RDU
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at RDU 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 Raleigh/Durham to Chicago flights today
same route · United AirlinesIf UA3903 is cancelled, these are the other United Airlines nonstop flights from Raleigh/Durham to Chicago on the same day, with scheduled departure times in RDU local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA3903 actually runs
Pro Flight Search has tracked every published board update for UA3903 across the RDU and ORD boards: schedule changes, gate pushes and actual clocks. Combined risk score: 16.9/100. Based on airport operations, weather, and cached board history at RDU and ORD.
The verdict above is that record speaking, so it reflects how UA3903 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around UA3903? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA3903 Raleigh/Durham to Chicago on-time performance, measured from the RDU and ORD airport boards.
https://proflightsearch.com/flight/UA3903