AA4399 WashingtonDCA · 15:48 HyannisHYA
AA4399 by American Airlines flies from Washington (DCA) to Hyannis (HYA) for the Sun, Sep 6 departure.
departs DCA · on schedule
board checked 261m ago · checking again in 45s
Where the minutes go
last 7 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operation0 cancelled · 13 operations tracked
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Washington to Hyannis flights today
same route · American AirlinesIf AA4399 is cancelled, this is the other American Airlines nonstop flight from Washington to Hyannis on the same day, with scheduled departure times in DCA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AA4399 actually runs
Pro Flight Search has tracked every published board update for AA4399 across the DCA and HYA boards: schedule changes, gate pushes and actual clocks. Usually departs ~19 min late. Based on 12 confirmed departures · 4/12 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how AA4399 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: N114HQ, N126HQ, N116HQ, N102HQ.
Board clocks recorded as DCA and HYA published them.
Planning around AA4399? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AA4399 Washington to Hyannis on-time performance, measured from the DCA and HYA airport boards.
https://proflightsearch.com/flight/AA4399
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