CZ3553 ShenzhenSZX · 09:00 ShanghaiSHA · 11:25
CZ3553 by China Southern Airlines flies from Shenzhen (SZX) to Shanghai (SHA) for the Mon, Sep 21 departure.
arrived at SHA · 6 min late
⚖ CZ3553 typically leaves +16 and lands −6. 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 −6 min · 0 cancelled · 12 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SZX and SHA 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.
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 Shenzhen to Shanghai flights today
same route · China Southern AirlinesIf CZ3553 is cancelled, these are the other China Southern Airlines nonstop flights from Shenzhen to Shanghai on the same day, with scheduled departure times in SZX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How CZ3553 actually runs
Pro Flight Search has tracked every published board update for CZ3553 across the SZX and SHA boards: schedule changes, gate pushes and actual clocks. Usually lands ~6 min early. Based on 12 confirmed landings · 11/12 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 CZ3553 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-20CK, B-5928, B-5940, B-8426.
Board clocks recorded as SZX and SHA published them.
Planning around CZ3553? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — CZ3553 Shenzhen to Shanghai on-time performance, measured from the SZX and SHA airport boards.
https://proflightsearch.com/flight/CZ3553
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