AA4342 BostonBOS · 14:25 WashingtonDCA · 16:23
AA4342 by American Airlines flies from Boston (BOS) to Washington (DCA) for the Thu, Oct 29 departure.
departs BOS · 10 min late
board checked 3m ago · checking again in 45s
Where the minutes go
last 4 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 BOS 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 on this route
ForecastBoston to Washington with American Airlines · Fri 30 Oct, local date
- Chance a departure is cancelled
- 0.7%0.3× usual
- Chance a departure leaves 60+ min late
- 11%0.8× usual
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 10 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 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 that show a delay still operate. Rebooking usually helps only when that delay is very large. 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. Usually lands ~14 min early. Based on 4 confirmed landings · 4/4 within 15 min of schedule.
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: N439YX, N435YX, N122HQ.
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
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
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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