JL723Japan Airlines · NRT → KUL
live · 7m ago
Route confirmed Japan Airlines

JL723 TokyoNRT · 11:25 Kuala LumpurKUL · 17:55

JL723 by Japan Airlines flies from Tokyo (NRT) to Kuala Lumpur (KUL) for the Wed, Sep 9 departure.

Right nowIn the air to Kuala Lumpur · off blocks 12:09 · 44 min late
17:59

estimated arrival at KUL · local time · ~6 min from now

LivePosition · updated 7m ago
KUL25 mi · ~6 min leftNRT
4,700 ftAltitudecruising
238 mphSpeed207 kt
56°Direction

Live position · flown path, last 4h 45m

Typical gate push+23 minmedian posted departure
Typical arrival−5 minmedian over 5 operations
Wins back in air~28 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 6 operations · gate push → arrival
0+30+60+90 min
09-09
+44 gate
09-08
+21 gate · +0 arrival
09-07
+20 gate · −3 arrival
09-06
+20 gate · −5 arrival
09-05
+23 gate · −28 arrival
09-04
+25 gate · −20 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 −5 min · 0 cancelled · 6 operations tracked

The route today

live boards
NRTTokyoOn-time likelyNRT delay board →
KULKuala LumpurOn-time likelyKUL delay board →
NRT→KULevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
25%Chance of 15+ min delay
2.6%Chance of cancellation
+1 minAvg hub delay right now

Driven mainly by NRT (Tokyo), currently flying IFR (instrument). 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 JL723 actually runs

Pro Flight Search has tracked every published board update for JL723 across the NRT and KUL boards: schedule changes, gate pushes and actual clocks. Usually lands ~5 min early. Based on 5 confirmed landings · 5/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how JL723 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
09-09NRT 11:25 12:09 (+44)KUL 17:55
09-08NRT 11:25 11:46 (+21)KUL 17:27 (+0)
09-07NRT 11:25 11:45 (+20)KUL 17:20 17:17 (−3)
09-06NRT 11:25 11:45 (+20)KUL 17:55 17:50 (−5)
09-05NRT 11:25 11:48 (+23)KUL 17:55 17:27 (−28)
09-04NRT 11:25 11:50 (+25)KUL 17:41 17:21 (−20)

Aircraft

Recent tails: JA839J, JA843J, JA838J.

Board clocks recorded as NRT and KUL 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 — JL723 Tokyo to Kuala Lumpur on-time performance, measured from the NRT and KUL airport boards.

Canonical URL
https://proflightsearch.com/flight/JL723
How we measure this →