CZ3155 ShenzhenSZX · 19:30 BeijingPKX · 22:40
CZ3155 by China Southern Airlines flies from Shenzhen (SZX) to Beijing (PKX) for the Wed, Oct 28 departure.
departs SZX · on schedule
board checked 219m 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 · 14 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at SZX and PKX 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 →
Tomorrow on this route
ForecastShenzhen to Beijing with China Southern Airlines · Thu 29 Oct, local date
- Chance a departure leaves 60+ min late
- 4.0%0.6× usual
No cancellation outlook here: this airport's board does not publish cancellations reliably.
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 12 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Shenzhen to Beijing flights today
same route · China Southern AirlinesIf CZ3155 is cancelled, these are the other China Southern Airlines nonstop flights from Shenzhen to Beijing 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 CZ3155 actually runs
Pro Flight Search has tracked every published board update for CZ3155 across the SZX and PKX boards: schedule changes, gate pushes and actual clocks. Usually departs ~23 min late. Based on 13 confirmed departures · 3/13 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how CZ3155 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-6629, B-6657, B-6339, B-6978.
Board clocks recorded as SZX and PKX published them.
Planning around CZ3155? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — CZ3155 Shenzhen to Beijing on-time performance, measured from the SZX and PKX airport boards.
https://proflightsearch.com/flight/CZ3155
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