BC517 TokyoHND · 12:50 NahaOKA · 15:35
BC517 by Skymark Airlines flies from Tokyo (HND) to Naha (OKA) for the Tue, Sep 15 departure.
en route from HND to OKA
board checked 7m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 12:57 · typical taxi-out at HND ≈ 12.9 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 · 15 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at HND 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 · Skymark AirlinesIf BC517 is cancelled, these are the other Skymark Airlines nonstop flights from Tokyo to Naha on the same day, with scheduled departure times in HND local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How BC517 actually runs
Pro Flight Search has tracked every published board update for BC517 across the HND and OKA boards: schedule changes, gate pushes and actual clocks. Usually lands ~6 min late. Based on 14 confirmed landings · 11/14 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how BC517 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as HND and OKA published them.
Planning around BC517? 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 — BC517 Tokyo to Naha on-time performance, measured from the HND and OKA airport boards.
https://proflightsearch.com/flight/BC517
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