IJ423 TokyoNRT · 11:37 KitakyushuKKJ
IJ423 by Spring Airlines Japan flies from Tokyo (NRT) to Kitakyushu (KKJ) for the Tue, Sep 15 departure.
en route from NRT to KKJ
board checked 26m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 11:37 · typical taxi-out at NRT ≈ 8.3 min.
Where the minutes go
last 7 operations · gate push → arrivalThe 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 operation0 cancelled · 12 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at NRT and KKJ 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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Tokyo to Kitakyushu flights today
same route · Spring Airlines JapanIf IJ423 is cancelled, this is the other Spring Airlines Japan nonstop flight from Tokyo to Kitakyushu 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 IJ423 actually runs
Pro Flight Search has tracked every published board update for IJ423 across the NRT and KKJ boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 12 confirmed departures · 12/12 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how IJ423 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: JA82YA, JA81YA, JA83YA.
Board clocks recorded as NRT and KKJ published them.
Planning around IJ423? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — IJ423 Tokyo to Kitakyushu on-time performance, measured from the NRT and KKJ airport boards.
https://proflightsearch.com/flight/IJ423
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