UA5021 ChicagoORD · 16:00 Sioux CitySUX
UA5021 by United Airlines flies from Chicago (ORD) to Sioux City (SUX) for the Sun, Sep 20 departure.
departs ORD · on schedule
board checked 5m ago · checking again in 45s
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
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. Early read — pattern not clear yet. Only 2 completed legs so far: departed +307 min. Not enough to call it.
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
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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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