JL2004 SapporoCTS · 12:20 OsakaITM · 14:20
JL2004 by Japan Airlines flies from Sapporo (CTS) to Osaka (ITM) for the Wed, Oct 28 departure.
arrived at ITM · 14 min late
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
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at CTS and ITM 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 Osaka with Japan Airlines · Thu 29 Oct, local date
- Chance a departure is cancelled
- 0.3%3.8× usual
- Chance a departure leaves 60+ min late
- 1.1%6.4× usual
Forecast weather: 79% chance of rain at Sapporo
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 5 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 Osaka flights today
same route · Japan AirlinesIf JL2004 is cancelled, these are the other Japan Airlines nonstop flights from Sapporo to Osaka 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 JL2004 actually runs
Pro Flight Search has tracked every published board update for JL2004 across the CTS and ITM boards: schedule changes, gate pushes and actual clocks. Usually lands ~6 min late. Based on 14 confirmed landings · 11/14 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how JL2004 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 ITM published them.
Planning around JL2004? 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 — JL2004 Sapporo to Osaka on-time performance, measured from the CTS and ITM airport boards.
https://proflightsearch.com/flight/JL2004
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