GK640Jetstar Japan · NGS → NRT
live · just now
Route confirmed Jetstar Japan

GK640 NagasakiNGS · 11:30 TokyoNRT · 13:30

GK640 by Jetstar Japan flies from Nagasaki (NGS) to Tokyo (NRT) for the Mon, Oct 12 departure.

Right nowScheduled · gate 2
11:30

departs NGS · on schedule

⚖ GK640 typically leaves +0 and lands −6. The air wins minutes back.
Typical gate push+0 minmedian posted departure
Typical arrival−6 minmedian over 13 operations
Wins back in air~6 minmedian gate push vs arrival · how planes make up time → Cancellation0 in 13tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-11
+0 gate · −13 arrival
10-10
+0 gate · +23 arrival
10-09
+0 gate · −15 arrival
10-08
+0 gate · −4 arrival
10-07
+0 gate · −4 arrival
10-06
+0 gate · −17 arrival
10-05
+0 gate · +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 −6 min · 0 cancelled · 13 operations tracked

The route today

live boards
NGSNagasakiOn-time likelyNGS delay board →
NRTTokyoOn-time likelyNRT delay board →
NGS→NRTevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
29%Chance of 15+ min delay
4.1%Chance of cancellation
+8 minAvg hub delay right now

Conditions at NGS and NRT 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 GK640 actually runs

Pro Flight Search has tracked every published board update for GK640 across the NGS and NRT boards: schedule changes, gate pushes and actual clocks. Usually lands ~6 min early. Based on 13 confirmed landings · 12/13 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how GK640 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
10-11NGS 11:30 (+0)NRT 13:30 13:17 (−13)
10-10NGS 11:30 (+0)NRT 13:30 13:53 (+23)
10-09NGS 11:30 (+0)NRT 13:30 13:15 (−15)
10-08NGS 11:30 (+0)NRT 13:30 13:26 (−4)
10-07NGS 11:30 (+0)NRT 13:30 13:26 (−4)
10-06NGS 11:30 (+0)NRT 13:30 13:13 (−17)
10-05NGS 11:30 (+0)NRT 13:30 13:36 (+6)
10-04NGS 11:30 (+0)NRT 13:30 13:31 (+1)
10-03NGS 11:30 11:45 (+15)NRT 13:30 13:32 (+2)
10-02NGS 11:30 (+0)NRT 13:30 13:24 (−6)
10-01NGS 11:30 (+0)NRT 13:30 13:15 (−15)
09-30NGS 11:30 (+0)NRT 13:30 13:18 (−12)
09-29NGS 11:30 (+0)NRT 13:30 13:21 (−9)

Aircraft

Recent tails: JA02JJ, JA06JJ, JA09JJ, JA19JJ.

Board clocks recorded as NGS and NRT published them.

Planning around GK640? 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 — GK640 Nagasaki to Tokyo on-time performance, measured from the NGS and NRT airport boards.

Canonical URL
https://proflightsearch.com/flight/GK640
How we measure this →