UA1281 DenverDEN · 15:40 San DiegoSAN · 17:05
UA1281 by United Airlines flies from Denver (DEN) to San Diego (SAN) for the Sat, Oct 10 departure.
departs DEN · on schedule
board checked 6m ago · checking again in 45s
Where the minutes go
last 3 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at DEN and SAN 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 San Diego flights today
same route · United AirlinesIf UA1281 is cancelled, these are the other United Airlines nonstop flights from Denver to San Diego 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 UA1281 actually runs
Pro Flight Search has tracked every published board update for UA1281 across the DEN and SAN boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: left right on schedule but landed about 13 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA1281 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: N39423, N68823, N37466.
Board clocks recorded as DEN and SAN published them.
Planning around UA1281? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA1281 Denver to San Diego on-time performance, measured from the DEN and SAN airport boards.
https://proflightsearch.com/flight/UA1281
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