UA1451 DenverDEN · 10:05 JacksonvilleJAX · 15:33
UA1451 by United Airlines flies from Denver (DEN) to Jacksonville (JAX) for the Tue, Sep 8 departure.
en route from DEN to JAX
board checked 58m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 10:00 · typical taxi-out at DEN ≈ 7.1 min.
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 operationmedian arrival −5 min · 0 cancelled · 10 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at DEN and JAX 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 Jacksonville flights today
same route · United AirlinesIf UA1451 is cancelled, this is the other United Airlines nonstop flight from Denver to Jacksonville 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 UA1451 actually runs
Pro Flight Search has tracked every published board update for UA1451 across the DEN and JAX boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 8 confirmed landings · 7/8 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA1451 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: N496UA, N472UA, N467UA, N451UA.
Board clocks recorded as DEN and JAX published them.
Planning around UA1451? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA1451 Denver to Jacksonville on-time performance, measured from the DEN and JAX airport boards.
https://proflightsearch.com/flight/UA1451
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