BC520 NahaOKA · 16:45 TokyoHND · 19:15
BC520 by Skymark Airlines flies from Naha (OKA) to Tokyo (HND).
scheduled from OKA
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 +21 min · 1 cancelled · 7 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at OKA and HND are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 →
Tomorrow at Naha
ForecastWed 4 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
Tomorrow at Tokyo
ForecastWed 4 Nov, local date
- 70% chance of rain
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Naha to Tokyo flights today
same route · Skymark AirlinesIf BC520 is cancelled, these are the other Skymark Airlines nonstop flights from Naha to Tokyo on the same day, with scheduled departure times in OKA local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How BC520 actually runs
Pro Flight Search has tracked every published board update for BC520 across the OKA and HND boards: schedule changes, gate pushes and actual clocks. Usually lands ~21 min late. Based on 6 confirmed landings · 2/6 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how BC520 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: JA73NM.
Board clocks recorded as OKA and HND published them.
Planning around BC520? 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: BC520 Naha to Tokyo on-time performance, measured from the OKA and HND airport boards.
https://proflightsearch.com/flight/BC520
.