GK339Jetstar Japan · NRT → OKA
live · 20m ago
Route confirmed Jetstar Japan

GK339 TokyoNRT · 19:05 NahaOKA · 22:10

GK339 by Jetstar Japan flies from Tokyo (NRT) to Naha (OKA).

Right nowNext departure today Operates daily
19:05

scheduled from NRT

⚖ GK339 typically leaves +8 and lands +1. The air wins minutes back.
Typical gate push+8 minmedian posted departure
Typical arrival+1 minmedian over 14 operations
Wins back in air~7 minmedian gate push vs arrival · how planes make up time → Cancellation0 in 15tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-21
+25 gate
10-20
+40 gate · +18 arrival
10-19
+10 gate · +0 arrival
10-18
+1 gate · +0 arrival
10-17
+4 gate · −10 arrival
10-16
+2 gate · +20 arrival
10-15
+10 gate · +21 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 +1 min · 0 cancelled · 15 operations tracked

The route today

live boards
NRTTokyoOn-time likelyNRT delay board →
OKANahaHigh riskOKA delay board →
NRT→OKAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
38%Chance of 15+ min delay
15%Chance of cancellation
+13 minAvg hub delay right now

Driven mainly by OKA (Naha), currently flying MVFR (marginal visual). 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.

Other Tokyo to Naha flights today

same route · Jetstar Japan
GK7301departs 08:25

If GK339 is cancelled, this is the other Jetstar Japan nonstop flight from Tokyo to Naha on the same day, with scheduled departure times in NRT local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How GK339 actually runs

Pro Flight Search has tracked every published board update for GK339 across the NRT and OKA boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 13 confirmed landings · 9/13 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how GK339 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
10-21NRT 19:05 19:30 (+25)OKA 22:10
10-20NRT 19:05 19:45 (+40)OKA 22:10 22:28 (+18)
10-19NRT 19:05 19:15 (+10)OKA 22:10 (+0)
10-18NRT 19:05 19:06 (+1)OKA 22:10 (+0)
10-17NRT 19:05 19:09 (+4)OKA 22:10 22:00 (−10)
10-16NRT 19:05 19:07 (+2)OKA 22:10 22:30 (+20)
10-15NRT 19:05 19:15 (+10)OKA 22:10 22:31 (+21)
10-14NRT 19:05 19:30 (+25)OKA 22:10 22:25 (+15)
10-13NRT 19:05 19:07 (+2)OKA 22:10 22:08 (−2)
10-12NRT 19:05 19:06 (+1)OKA 22:10 (+0)
10-11NRT 19:05 19:09 (+4)OKA 22:10 22:00 (−10)
10-10NRT 19:05 19:30 (+25)OKA 22:10 22:38 (+28)
10-09NRT 19:05 19:13 (+8)OKA 22:10 22:11 (+1)
10-08NRT 19:05 19:22 (+17)OKA 22:10 22:25 (+15)
10-07NRT 19:05 19:07 (+2)OKA 22:10 22:09 (−1)

Aircraft

Recent tails: JA23JJ, JA13JJ, JA19JJ, JA04JJ.

Board clocks recorded as NRT and OKA published them.

Planning around GK339? 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 — GK339 Tokyo to Naha on-time performance, measured from the NRT and OKA airport boards.

Canonical URL
https://proflightsearch.com/flight/GK339
How we measure this →