JL3912Japan Airlines · CTS → ITM
live · 30m ago
Route confirmed Japan Airlines

JL3912 SapporoCTS OsakaITM · 11:30

JL3912 by Japan Airlines flies from Sapporo (CTS) to Osaka (ITM) for the Fri, Aug 21 departure.

Right nowLanded in Osaka · today
11:29

arrived at ITM · 1 min early

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
08-21
−1 arrival
08-20
+6 arrival
08-19
−1 arrival
08-18
+0 arrival
08-17
+4 arrival
08-16
−3 arrival
08-15
−4 arrival

The 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 operation

median arrival +1 min · 0 cancelled · 15 operations tracked

The route today

live boards
CTSSapporoOn-time likelyCTS delay board →
ITMOsakaOn-time likelyITM delay board →
CTS→ITMevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
37%Chance of 15+ min delay
4.0%Chance of cancellation
+7 minAvg hub delay right now

Conditions 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 →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

How JL3912 actually runs

Pro Flight Search has tracked every published board update for JL3912 across the CTS and ITM boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 14 confirmed landings · 13/14 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how JL3912 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
08-21CTS ITM 11:30 11:29 (−1)
08-20CTS ITM 11:30 11:36 (+6)
08-19CTS ITM 11:30 11:29 (−1)
08-18CTS ITM 11:30 (+0)
08-17CTS ITM 11:30 11:34 (+4)
08-16CTS ITM 11:30 11:27 (−3)
08-15CTS ITM 11:30 11:26 (−4)
08-14CTS ITM 11:30 11:24 (−6)
08-13CTS ITM 11:30 11:40 (+10)
08-12CTS ITM 11:30 11:31 (+1)
08-11CTS ITM 11:30 11:28 (−2)
08-10CTS ITM 11:30 11:56 (+26)
08-09CTS ITM 11:30 11:34 (+4)
08-08CTS ITM 11:30 11:33 (+3)
08-07CTS ITM 11:30 11:45 (+15)

Aircraft

Recent tails: JA301J.

Board clocks recorded as CTS and ITM published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — JL3912 Sapporo to Osaka on-time performance, measured from the CTS and ITM airport boards.

Canonical URL
https://proflightsearch.com/flight/JL3912
How we measure this →