UA1831 WashingtonIAD · 17:50 New YorkEWR · 19:27
UA1831 by United Airlines flies from Washington (IAD) to New York (EWR) for the Thu, Nov 12 departure.
arrival expected at EWR · on schedule
board checked 29m ago · checking again in 45s
⚖ UA1831 typically leaves +32 and lands −9. The air wins minutes back.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 −9 min · 0 cancelled · 15 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by EWR (New York), currently flying IFR (instrument). These figures come from both airports' records 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 at Washington
ForecastFri 13 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
Tomorrow at New York
ForecastFri 13 Nov, local date
- 97% chance of rain
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · 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 Washington to New York flights today
same route · United AirlinesIf UA1831 is cancelled, these are the other United Airlines nonstop flights from Washington to New York on the same day, with scheduled departure times in IAD local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How UA1831 actually runs
Pro Flight Search has tracked every published board update for UA1831 across the IAD and EWR boards: schedule changes, gate pushes and actual clocks. Usually lands ~7 min early. Based on 13 confirmed landings · 9/13 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 UA1831 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: N77588, N69810, N17421, N14731.
Board clocks recorded as IAD and EWR published them.
Planning around UA1831? 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: UA1831 Washington to New York on-time performance, measured from the IAD and EWR airport boards.
https://proflightsearch.com/flight/UA1831
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