UA5021 ChicagoORD · 16:20 Sioux CitySUX
UA5021 by United Airlines flies from Chicago (ORD) to Sioux City (SUX) for the Thu, Nov 12 departure.
departs ORD · on schedule
board checked 6m ago · checking again in 45s
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsTomorrow at Chicago
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 Sioux City flights today
same route · United AirlinesIf UA5021 is cancelled, this is the other United Airlines nonstop flight from Chicago to Sioux City 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 UA5021 actually runs
Pro Flight Search has tracked every published board update for UA5021 across the ORD and SUX boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 4 confirmed departures · 3/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA5021 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as ORD and SUX published them.
Planning around UA5021? 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: UA5021 Chicago to Sioux City on-time performance, measured from the ORD and SUX airport boards.
https://proflightsearch.com/flight/UA5021
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