9K8321 Charlotte AmalieSTT · 13:46 San JuanSJU · 14:21
9K8321 by Cape Air flies from Charlotte Amalie (STT) to San Juan (SJU) for the Fri, Sep 25 departure.
departs STT · on schedule
board checked 200m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at STT and SJU 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. 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 Charlotte Amalie to San Juan flights today
same route · Cape AirIf 9K8321 is cancelled, these are the other Cape Air nonstop flights from Charlotte Amalie to San Juan on the same day, with scheduled departure times in STT local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How 9K8321 actually runs
Pro Flight Search has tracked every published board update for 9K8321 across the STT and SJU boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: landed -8 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how 9K8321 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: N443CA.
Board clocks recorded as STT and SJU published them.
Planning around 9K8321? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — 9K8321 Charlotte Amalie to San Juan on-time performance, measured from the STT and SJU airport boards.
https://proflightsearch.com/flight/9K8321
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