GK645Jetstar Japan · NRT → NGS
live · 24m ago
Route confirmed Jetstar Japan

GK645 TokyoNRT · 08:40 NagasakiNGS · 10:50

GK645 by Jetstar Japan flies from Tokyo (NRT) to Nagasaki (NGS).

Right nowNext departure today Operates daily
08:40

scheduled from NRT

Typical gate push+9 minmedian posted departure
Typical arrival+5 minmedian over 5 operations
Wins back in air~4 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
11-05
+9 gate · +5 arrival
10-24
−2 gate · −5 arrival
10-23
+38 gate · +30 arrival
10-22
+9 gate · +5 arrival
10-21
+2 gate · +0 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 · 5 operations tracked

The route today

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

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
27%Chance of 15+ min delay
4.4%Chance of cancellation
+7 minTypical airport delay in this weather

Driven mainly by NRT (Tokyo), currently flying MVFR (marginal visual). These figures come from both airports' records 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 →

Tomorrow at Tokyo

Forecast

Fri 6 Nov, local date

High23°Clikely 21°C to 26°C
Low13°Clikely 10°C to 16°C
  • 37% chance of fog

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Nagasaki

Forecast

Fri 6 Nov, local date

High21°Clikely 19°C to 22°C
Low15°Clikely 13°C to 17°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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.

Other Tokyo to Nagasaki flights today

same route · Jetstar Japan
GK641departs 08:15

If GK645 is cancelled, this is the other Jetstar Japan nonstop flight from Tokyo to Nagasaki on the same day, with scheduled departure times in NRT local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How GK645 actually runs

Pro Flight Search has tracked every published board update for GK645 across the NRT and NGS boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 5 confirmed landings · 4/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how GK645 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
11-05NRT 08:40 08:49 (+9)NGS 10:50 10:55 (+5)
10-24NRT 08:40 08:38 (−2)NGS 10:50 10:45 (−5)
10-23NRT 08:40 09:18 (+38)NGS 10:50 11:20 (+30)
10-22NRT 08:40 08:49 (+9)NGS 10:50 10:55 (+5)
10-21NRT 08:40 08:42 (+2)NGS 10:50 (+0)

Aircraft

Recent tails: JA05JJ, JA24JJ, JA03JJ, JA18JJ.

Board clocks recorded as NRT and NGS published them.

Planning around GK645? 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: GK645 Tokyo to Nagasaki on-time performance, measured from the NRT and NGS airport boards.

Canonical URL
https://proflightsearch.com/flight/GK645
How we measure this →