UA5771 DenverDEN · 13:25 AspenASE
UA5771 by United Airlines flies from Denver (DEN) to Aspen (ASE) for the Wed, Sep 16 departure.
departs DEN · on schedule
board checked 48m 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 · 10 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 Aspen flights today
same route · United AirlinesIf UA5771 is cancelled, these are the other United Airlines nonstop flights from Denver to Aspen 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 UA5771 actually runs
Pro Flight Search has tracked every published board update for UA5771 across the DEN and ASE boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 10 confirmed departures · 9/10 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA5771 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: N635SY, N113SY, N641SY, N626SY.
Board clocks recorded as DEN and ASE published them.
Planning around UA5771? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA5771 Denver to Aspen on-time performance, measured from the DEN and ASE airport boards.
https://proflightsearch.com/flight/UA5771
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