JL640Japan Airlines · KOJ → HND
live · just now
Route confirmed Japan Airlines

JL640 KagoshimaKOJ · 07:35 TokyoHND · 09:15

JL640 by Japan Airlines flies from Kagoshima (KOJ) to Tokyo (HND) for the Mon, Oct 19 departure.

Right nowEn route to Tokyo · off blocks 07:35 · on schedule
09:15

estimated arrival at HND · local time · ~3h 35m from now

En routeJL640 · position estimated
KOJKagoshimaHNDTokyo
Estimated from the boardsarr 09:15

Board estimate · gate and arrival times. Off blocks 07:35.

Typical gate push+0 minmedian posted departure
Typical arrival+4 minmedian over 15 operations
Cancellation0 in 16tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-19
+0 gate
10-18
+0 gate · +16 arrival
10-17
+0 gate · +7 arrival
10-16
+0 gate · +0 arrival
10-15
+0 gate · +4 arrival
10-14
+0 gate · −1 arrival
10-13
+0 gate · −3 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 +4 min · 0 cancelled · 16 operations tracked

The route today

live boards
KOJKagoshimaOn-time likelyKOJ delay board →
HNDTokyoOn-time likelyHND delay board →
KOJ→HNDevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Early read, sample still building
35%Chance of 15+ min delay
3.3%Chance of cancellation
+9 minAvg hub delay right now

Conditions at KOJ and HND 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 →

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 JL640 actually runs

Pro Flight Search has tracked every published board update for JL640 across the KOJ and HND boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 13 confirmed landings · 12/13 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how JL640 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
10-19KOJ 07:35 (+0)HND 09:15
10-18KOJ 07:35 (+0)HND 09:15 09:31 (+16)
10-17KOJ 07:35 (+0)HND 09:15 09:22 (+7)
10-16KOJ 07:35 (+0)HND 09:15 (+0)
10-15KOJ 07:35 (+0)HND 09:15 09:19 (+4)
10-14KOJ 07:35 (+0)HND 09:15 09:14 (−1)
10-13KOJ 07:35 (+0)HND 09:15 09:12 (−3)
10-12KOJ 07:35 (+0)HND 09:15 09:21 (+6)
10-11KOJ 07:35 (+0)HND 09:15 09:24 (+9)
10-10KOJ 07:35 (+0)HND 09:15 09:20 (+5)
10-09KOJ 07:35 (+0)HND 09:15 09:20 (+5)
10-08KOJ 07:35 (+0)HND 09:15 09:16 (+1)
10-07KOJ 07:35 (+0)HND 09:15 09:10 (−5)
10-06KOJ 07:35 (+0)HND 09:15 09:12 (−3)
10-05KOJ 07:35 (+0)HND 09:15 09:19 (+4)
10-04KOJ 07:35 (+0)HND 09:15 09:51 (+36)

Board clocks recorded as KOJ and HND published them.

Planning around JL640? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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 — JL640 Kagoshima to Tokyo on-time performance, measured from the KOJ and HND airport boards.

Canonical URL
https://proflightsearch.com/flight/JL640
How we measure this →