UA1177 DenverDEN · 09:44 CancúnCUN · 14:40
UA1177 by United Airlines flies from Denver (DEN) to Cancún (CUN) for the Sun, Sep 13 departure.
departs DEN · on schedule
board checked 41m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at DEN and CUN are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Denver to Cancún flights today
same route · United AirlinesIf UA1177 is cancelled, this is the other United Airlines nonstop flight from Denver to Cancún 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 UA1177 actually runs
Pro Flight Search has tracked every published board update for UA1177 across the DEN and CUN boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: landed +0 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA1177 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: N37547, N37536, N17596.
Board clocks recorded as DEN and CUN published them.
Planning around UA1177? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA1177 Denver to Cancún on-time performance, measured from the DEN and CUN airport boards.
https://proflightsearch.com/flight/UA1177
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