JL431 TokyoHND · 06:50 MatsuyamaMYJ · 08:15
JL431 by Japan Airlines flies from Tokyo (HND) to Matsuyama (MYJ) for the Tue, Sep 15 departure.
departs HND · on schedule
board checked 5m ago · checking again in 45s
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 · 15 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at HND and MYJ 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 Matsuyama flights today
same route · Japan AirlinesIf JL431 is cancelled, these are the other Japan Airlines nonstop flights from Tokyo to Matsuyama on the same day, with scheduled departure times in HND local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How JL431 actually runs
Pro Flight Search has tracked every published board update for JL431 across the HND and MYJ boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 13 confirmed departures · 13/13 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how JL431 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: JA307J, JA332J, JA311J, JA309J.
Board clocks recorded as HND and MYJ published them.
Planning around JL431? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — JL431 Tokyo to Matsuyama on-time performance, measured from the HND and MYJ airport boards.
https://proflightsearch.com/flight/JL431
.