UA1783 Los AngelesLAX · 08:20 WashingtonIAD · 16:53
UA1783 by United Airlines flies from Los Angeles (LAX) to Washington (IAD) for the Mon, Nov 9 departure.
Same number through LAX → BOS → IAD
estimated arrival at IAD · local time · ~51 min from now
position updated 4m ago · checking again in 90s
Live position · flown path, last 4h 18m
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 LAX and IAD are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 Los Angeles
ForecastTue 10 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 Boston
ForecastTue 10 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.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Los Angeles to Washington flights today
same route · United AirlinesIf UA1783 is cancelled, this is the other United Airlines nonstop flight from Los Angeles to Washington on the same day, with scheduled departure times in LAX 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 UA1783 actually runs
Pro Flight Search has tracked every published board update for UA1783 across the LAX and IAD boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 1 completed leg so far: landed +26 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA1783 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: N14115, N37484.
Board clocks recorded as LAX and IAD published them.
Planning around UA1783? 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: UA1783 Los Angeles to Washington on-time performance, measured from the LAX and IAD airport boards.
https://proflightsearch.com/flight/UA1783