JL3512Japan Airlines · CTS → FUK
live · 35m ago
Route confirmed Japan Airlines

JL3512 SapporoCTS FukuokaFUK · 15:55

JL3512 by Japan Airlines flies from Sapporo (CTS) to Fukuoka (FUK) for the Thu, Sep 24 departure.

Right nowExpected in Fukuoka · today
15:55

arrival expected at FUK · on schedule

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-23
−6 arrival
09-22
−3 arrival
09-21
+6 arrival
09-20
+7 arrival
09-19
−5 arrival
09-18
+10 arrival
09-17
+6 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 +7 min · 0 cancelled · 15 operations tracked

The route today

live boards
CTSSapporoOn-time likelyCTS delay board →
FUKFukuokaOn-time likelyFUK delay board →
CTS→FUKevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Early read, sample still building
30%Chance of 15+ min delay
4.7%Chance of cancellation

Conditions at CTS and FUK 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Other Sapporo to Fukuoka flights

same route · Japan Airlines
JL3510departs 10:35 · Sun, Mon, Sat

If JL3512 is cancelled, this is the other Japan Airlines nonstop flight from Sapporo to Fukuoka, 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 JL3512 actually runs

Pro Flight Search has tracked every published board update for JL3512 across the CTS and FUK boards: schedule changes, gate pushes and actual clocks. Usually lands ~7 min late. Based on 13 confirmed landings · 10/13 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how JL3512 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
09-23CTS FUK 15:55 15:49 (−6)
09-22CTS FUK 15:55 15:52 (−3)
09-21CTS FUK 15:55 16:01 (+6)
09-20CTS FUK 15:55 16:02 (+7)
09-19CTS FUK 15:55 15:50 (−5)
09-18CTS FUK 15:55 16:05 (+10)
09-17CTS FUK 15:55 16:01 (+6)
09-16CTS FUK 15:55 16:14 (+19)
09-15CTS FUK 15:55 16:18 (+23)
09-14CTS FUK 15:55 16:13 (+18)
09-13CTS FUK 15:55 15:45 (−10)
09-12CTS FUK 15:55 16:08 (+13)
09-11CTS FUK 15:55 16:05 (+10)
09-10CTS FUK 15:55 16:01 (+6)
09-09CTS FUK 15:55 16:13 (+18)

Board clocks recorded as CTS and FUK 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 — JL3512 Sapporo to Fukuoka on-time performance, measured from the CTS and FUK airport boards.

Canonical URL
https://proflightsearch.com/flight/JL3512
How we measure this →