AA4340 JacksonvilleJAX WashingtonDCA
AA4340 by American Airlines flies from Jacksonville (JAX) to Washington (DCA).
scheduled from JAX
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at JAX and DCA are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, 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 →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Jacksonville to Washington flights today
same route · American AirlinesIf AA4340 is cancelled, these are the other American Airlines nonstop flights from Jacksonville to Washington on the same day, with scheduled departure times in JAX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AA4340 actually runs
Pro Flight Search has tracked every published board update for AA4340 across the JAX and DCA boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at JAX and DCA.
The verdict above is that record speaking, so it reflects how AA4340 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around AA4340? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AA4340 Jacksonville to Washington on-time performance, measured from the JAX and DCA airport boards.
https://proflightsearch.com/flight/AA4340
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