AA4456 New YorkLGA · 08:02 WashingtonDCA · 09:30
AA4456 by American Airlines flies from New York (LGA) to Washington (DCA).
scheduled from LGA
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 LGA and DCA 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 LGA
ForecastFri 13 Nov, local date
- 91% 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.
Tomorrow at DCA
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.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other New York to Washington flights today
same route · American AirlinesIf AA4456 is cancelled, these are the other American Airlines nonstop flights from New York to Washington on the same day, with scheduled departure times in LGA 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 AA4456 actually runs
Pro Flight Search has tracked every published board update for AA4456 across the LGA and DCA boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 3 completed legs so far: left about 13 min early but landed about 32 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how AA4456 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: N432YX, N415YX.
Board clocks recorded as LGA and DCA published them.
Planning around AA4456? 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: AA4456 New York to Washington on-time performance, measured from the LGA and DCA airport boards.
https://proflightsearch.com/flight/AA4456
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