MU523 ShanghaiPVG · 09:05 TokyoNRT · 12:50
MU523 by China Eastern Airlines flies from Shanghai (PVG) to Tokyo (NRT) for the Tue, Sep 8 departure.
arrived at NRT · 101 min late
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 operationmedian arrival +8 min · 0 cancelled · 7 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by PVG (Shanghai), currently flying VFR (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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Shanghai to Tokyo flights today
same route · China Eastern AirlinesIf MU523 is cancelled, these are the other China Eastern Airlines nonstop flights from Shanghai to Tokyo on the same day, with scheduled departure times in PVG local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How MU523 actually runs
Pro Flight Search has tracked every published board update for MU523 across the PVG and NRT boards: schedule changes, gate pushes and actual clocks. Usually lands ~8 min late. Based on 7 confirmed landings · 4/7 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how MU523 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: B-304D, B-321J, B-32D0, B-307Y.
Board clocks recorded as PVG and NRT published them.
Planning around MU523? 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 — MU523 Shanghai to Tokyo on-time performance, measured from the PVG and NRT airport boards.
https://proflightsearch.com/flight/MU523
.