UA5101 DenverDEN · 21:05 Sioux CitySUX
UA5101 by United Airlines flies from Denver (DEN) to Sioux City (SUX) for the Sun, Sep 13 departure.
departs DEN · on schedule
board checked 29m ago · checking again in 45s
Where the minutes go
last 7 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operation0 cancelled · 9 operations tracked
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Denver to Sioux City flights today
same route · United AirlinesIf UA5101 is cancelled, this is the other United Airlines nonstop flight from Denver to Sioux City on the same day, with scheduled departure times in DEN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA5101 actually runs
Pro Flight Search has tracked every published board update for UA5101 across the DEN and SUX boards: schedule changes, gate pushes and actual clocks. Usually departs ~5 min early. Based on 9 confirmed departures · 6/9 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA5101 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N457SW, N923SW, N920EV, N910SW.
Board clocks recorded as DEN and SUX published them.
Planning around UA5101? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA5101 Denver to Sioux City on-time performance, measured from the DEN and SUX airport boards.
https://proflightsearch.com/flight/UA5101
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