CZ337 GuangzhouCAN · 09:35 SeoulICN · 13:55
CZ337 by China Southern Airlines flies from Guangzhou (CAN) to Seoul (ICN) for the Thu, Sep 24 departure.
departs CAN · on schedule
board checked 1m ago · checking again in 45s
⚖ CZ337 typically leaves +8 and lands −9. The air wins minutes back.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 −9 min · 0 cancelled · 12 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Early read, sample still buildingDriven mainly by CAN (Guangzhou), currently flying MVFR (marginal visual). 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 Guangzhou to Seoul flights today
same route · China Southern AirlinesIf CZ337 is cancelled, these are the other China Southern Airlines nonstop flights from Guangzhou to Seoul 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 CZ337 actually runs
Pro Flight Search has tracked every published board update for CZ337 across the CAN and ICN boards: schedule changes, gate pushes and actual clocks. Usually lands ~9 min early. Based on 11 confirmed landings · 11/11 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 CZ337 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-209X, B-228J, B-20C6, B-20EL.
Board clocks recorded as CAN and ICN published them.
Planning around CZ337? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — CZ337 Guangzhou to Seoul on-time performance, measured from the CAN and ICN airport boards.
https://proflightsearch.com/flight/CZ337
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