JL509 TokyoHND · 10:05 SapporoCTS · 11:40
JL509 by Japan Airlines flies from Tokyo (HND) to Sapporo (CTS) for the Wed, Oct 28 departure.
departs HND · on schedule
board checked 19m 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 operationmedian arrival +6 min · 0 cancelled · 15 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by HND (Tokyo), currently flying VFR (visual). 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 →
Tomorrow on this route
ForecastTokyo to Sapporo with Japan Airlines · Thu 29 Oct, local date
- Chance a departure is cancelled
- 1.0%0.9× usual
- Chance a departure leaves 60+ min late
- 3.1%0.8× usual
Forecast weather: 52% chance of snow and 86% chance of rain at Sapporo
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 17 departures a day on this route with this airline. · 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 Tokyo to Sapporo flights today
same route · Japan AirlinesIf JL509 is cancelled, these are the other Japan Airlines nonstop flights from Tokyo to Sapporo 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 JL509 actually runs
Pro Flight Search has tracked every published board update for JL509 across the HND and CTS boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 13 confirmed landings · 13/13 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how JL509 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 CTS published them.
Planning around JL509? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — JL509 Tokyo to Sapporo on-time performance, measured from the HND and CTS airport boards.
https://proflightsearch.com/flight/JL509
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