HD21 TokyoHND · 11:15 SapporoCTS · 12:45
HD21 by Air Do flies from Tokyo (HND) to Sapporo (CTS) for the Sat, Oct 17 departure.
estimated arrival at CTS · local time · ~2 min from now
position updated 8m ago · checking again in 90s
Live position · flown path, last 1h 4m
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 +8 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 CTS 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 Sapporo flights today
same route · Air DoIf HD21 is cancelled, these are the other Air Do 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 HD21 actually runs
Pro Flight Search has tracked every published board update for HD21 across the HND and CTS boards: schedule changes, gate pushes and actual clocks. Usually lands ~12 min late. Based on 13 confirmed landings · 8/13 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how HD21 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 HD21? 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 — HD21 Tokyo to Sapporo on-time performance, measured from the HND and CTS airport boards.
https://proflightsearch.com/flight/HD21
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