UA3939 ChicagoORD ClevelandCLE
UA3939 by United Airlines flies from Chicago (ORD) to Cleveland (CLE).
scheduled from ORD
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at ORD and CLE 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 Chicago to Cleveland flights today
same route · United AirlinesIf UA3939 is cancelled, these are the other United Airlines nonstop flights from Chicago to Cleveland on the same day, with scheduled departure times in ORD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA3939 actually runs
Pro Flight Search has tracked every published board update for UA3939 across the ORD and CLE boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at ORD and CLE.
The verdict above is that record speaking, so it reflects how UA3939 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around UA3939? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA3939 Chicago to Cleveland on-time performance, measured from the ORD and CLE airport boards.
https://proflightsearch.com/flight/UA3939
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