CZ3521 GuangzhouCAN · 08:10 HangzhouHGH · 10:20
CZ3521 by China Southern Airlines flies from Guangzhou (CAN) to Hangzhou (HGH) for the Thu, Sep 17 departure.
departs CAN · on schedule
board checked 7m ago · checking again in 45s
Where the minutes go
last 6 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 · 6 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by CAN (Guangzhou), 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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Guangzhou to Hangzhou flights today
same route · China Southern AirlinesIf CZ3521 is cancelled, these are the other China Southern Airlines nonstop flights from Guangzhou to Hangzhou on the same day, with scheduled departure times in CAN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How CZ3521 actually runs
Pro Flight Search has tracked every published board update for CZ3521 across the CAN and HGH boards: schedule changes, gate pushes and actual clocks. Usually departs ~18 min late. Based on 6 confirmed departures · 2/6 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how CZ3521 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-6775, B-306L, B-32KZ, B-657X.
Board clocks recorded as CAN and HGH published them.
Planning around CZ3521? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — CZ3521 Guangzhou to Hangzhou on-time performance, measured from the CAN and HGH airport boards.
https://proflightsearch.com/flight/CZ3521
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