AA4342 BostonBOS · 14:21 WashingtonDCA · 16:19
AA4342 by American Airlines flies from Boston (BOS) to Washington (DCA) for the Sun, Oct 11 departure.
arrival expected at DCA · 20 min late
board checked 2m ago · checking again in 45s
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
Weather-conditioned outlook for this flight right now
Early read, sample still buildingDriven mainly by DCA (Washington), currently flying LIFR (low instrument). For this route and airline, under conditions like today's, over the last 90 days. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
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 Boston to Washington flights today
same route · American AirlinesIf AA4342 is cancelled, these are the other American Airlines nonstop flights from Boston to Washington on the same day, with scheduled departure times in BOS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AA4342 actually runs
Pro Flight Search has tracked every published board update for AA4342 across the BOS and DCA boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: landed +71 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how AA4342 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: N401YX, N408YX.
Board clocks recorded as BOS and DCA published them.
Planning around AA4342? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AA4342 Boston to Washington on-time performance, measured from the BOS and DCA airport boards.
https://proflightsearch.com/flight/AA4342
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