GK339 TokyoNRT · 19:05 NahaOKA · 22:10
GK339 by Jetstar Japan flies from Tokyo (NRT) to Naha (OKA) for the Tue, Sep 8 departure.
en route from NRT to OKA
board checked 133m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 19:27 · typical taxi-out at NRT ≈ 8.2 min.
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 operationmedian arrival +6 min · 0 cancelled · 11 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at NRT and OKA 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 Tokyo to Naha flights today
same route · Jetstar JapanIf GK339 is cancelled, these are the other Jetstar Japan nonstop flights from Tokyo to Naha on the same day, with scheduled departure times in NRT local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How GK339 actually runs
Pro Flight Search has tracked every published board update for GK339 across the NRT and OKA boards: schedule changes, gate pushes and actual clocks. Usually lands ~6 min late. Based on 11 confirmed landings · 7/11 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how GK339 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: JA23JJ, JA21JJ, JA16JJ, JA02JJ.
Board clocks recorded as NRT and OKA published them.
Planning around GK339? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — GK339 Tokyo to Naha on-time performance, measured from the NRT and OKA airport boards.
https://proflightsearch.com/flight/GK339
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