UA514 DenverDEN · 17:45 LouisvilleSDF · 22:24
UA514 by United Airlines flies from Denver (DEN) to Louisville (SDF) for the Tue, Oct 27 departure.
en route from DEN to SDF
board checked 4m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 18:00 · typical taxi-out at DEN ≈ 7.4 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 −2 min · 0 cancelled · 9 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at DEN and SDF 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 →
Tomorrow on this route
ForecastDenver to Louisville with United Airlines · Wed 28 Oct, local date
- Chance a departure leaves 60+ min late
- 4.3%0.5× usual
Forecast weather: 31% chance of fog at Denver
No cancellation outlook here: this airport's board does not publish cancellations reliably.
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 2 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Denver to Louisville flights today
same route · United AirlinesIf UA514 is cancelled, this is the other United Airlines nonstop flight from Denver to Louisville 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 UA514 actually runs
Pro Flight Search has tracked every published board update for UA514 across the DEN and SDF boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 8 confirmed landings · 5/8 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA514 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: N12221, N27213, N77518, N838UA.
Board clocks recorded as DEN and SDF published them.
Planning around UA514? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA514 Denver to Louisville on-time performance, measured from the DEN and SDF airport boards.
https://proflightsearch.com/flight/UA514
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