JL512 SapporoCTS · 14:00 TokyoHND · 15:40
JL512 by Japan Airlines flies from Sapporo (CTS) to Tokyo (HND) for the Wed, Oct 14 departure.
departs CTS · 15 min late
board checked 8m 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 +15 min · 0 cancelled · 14 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at CTS and HND 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.
How JL512 actually runs
Pro Flight Search has tracked every published board update for JL512 across the CTS and HND boards: schedule changes, gate pushes and actual clocks. Usually lands ~15 min late. Based on 13 confirmed landings · 7/13 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how JL512 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 CTS and HND published them.
Planning around JL512? 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 — JL512 Sapporo to Tokyo on-time performance, measured from the CTS and HND airport boards.
https://proflightsearch.com/flight/JL512
.