UA1506 DenverDEN · 09:35 WashingtonIAD · 11:22
UA1506 by United Airlines flies from Denver (DEN) to Washington (IAD) for the Fri, Oct 16 departure.
Same number through DEN → SFO → LAX → IAD
estimated arrival at IAD · local time · ~29 min from now
board checked 8m ago · checking again in 45s
Board estimate · the aircraft flying this number is still on an earlier leg of today’s trip.
Where the minutes go
last 4 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 IAD 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 Washington flights today
same route · United AirlinesIf UA1506 is cancelled, these are the other United Airlines nonstop flights from Denver to Washington 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 UA1506 actually runs
Pro Flight Search has tracked every published board update for UA1506 across the DEN and IAD boards: schedule changes, gate pushes and actual clocks. Usually lands ~18 min early. Based on 2 confirmed landings · 2/2 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how UA1506 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: N14548, N14553, N14511, N14534.
Board clocks recorded as DEN and IAD published them.
Planning around UA1506? 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 — UA1506 Denver to Washington on-time performance, measured from the DEN and IAD airport boards.
https://proflightsearch.com/flight/UA1506
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