JX851 SapporoCTS · 15:20 TaipeiTPE · 19:05
JX851 by Starlux Airlines flies from Sapporo (CTS) to Taipei (TPE) for the Thu, Oct 29 departure.
departs CTS · on schedule
board checked 19m ago · checking again in 45s
⚖ JX851 typically leaves +22 and lands +2. The air wins minutes back.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 +2 min · 1 cancelled · 15 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at CTS and TPE 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 →
Tomorrow on this route
ForecastSapporo to Taipei with Starlux Airlines · Fri 30 Oct, local date
- Chance a departure is cancelled
- 1.0%0.8× usual
- Chance a departure leaves 60+ min late
- 4.4%0.7× usual
Forecast weather: 84% chance of rain at Sapporo
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 1 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 Sapporo to Taipei flights today
same route · Starlux AirlinesIf JX851 is cancelled, this is the other Starlux Airlines nonstop flight from Sapporo to Taipei on the same day, with scheduled departure times in CTS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How JX851 actually runs
Pro Flight Search has tracked every published board update for JX851 across the CTS and TPE boards: schedule changes, gate pushes and actual clocks. Usually lands ~11 min early. Based on 12 confirmed landings · 9/12 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how JX851 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 TPE published them.
Planning around JX851? 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 — JX851 Sapporo to Taipei on-time performance, measured from the CTS and TPE airport boards.
https://proflightsearch.com/flight/JX851
.