UA3521 ChicagoORD BangorBGR
UA3521 by United Airlines flies from Chicago (ORD) to Bangor (BGR).
scheduled from ORD
The route today
live boardsTomorrow at ORD
ForecastFri 13 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.
Other Chicago to Bangor flights today
same route · United AirlinesIf UA3521 is cancelled, these are the other United Airlines nonstop flights from Chicago to Bangor on the same day, with scheduled departure times in ORD local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How UA3521 actually runs
Pro Flight Search has tracked every published board update for UA3521 across the ORD and BGR boards: schedule changes, gate pushes and actual clocks. Combined risk score: 46.4/100. Based on airport operations, weather, and cached board history at ORD and BGR.
The verdict above is that record speaking, so it reflects how UA3521 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around UA3521? 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: UA3521 Chicago to Bangor on-time performance, measured from the ORD and BGR airport boards.
https://proflightsearch.com/flight/UA3521
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