UA1136 CancúnCUN · 15:43 DenverDEN · 18:53
UA1136 by United Airlines flies from Cancún (CUN) to Denver (DEN) for the Thu, Sep 17 departure.
departs CUN · on schedule
board checked 17m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at CUN and DEN 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 Cancún to Denver flights today
same route · United AirlinesIf UA1136 is cancelled, this is the other United Airlines nonstop flight from Cancún to Denver on the same day, with scheduled departure times in CUN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA1136 actually runs
Pro Flight Search has tracked every published board update for UA1136 across the CUN and DEN boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: left heavily delayed (~134 min) but landed heavily delayed (~99 min). Not enough to call it.
The verdict above is that record speaking, so it reflects how UA1136 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: N47570, N77575.
Board clocks recorded as CUN and DEN published them.
Planning around UA1136? 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 — UA1136 Cancún to Denver on-time performance, measured from the CUN and DEN airport boards.
https://proflightsearch.com/flight/UA1136
.