CZ3456 ChongqingCKG · 15:40 ShenzhenSZX · 17:55
CZ3456 by China Southern Airlines flies from Chongqing (CKG) to Shenzhen (SZX).
scheduled from CKG
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 −24 min · 0 cancelled · 15 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Early read, sample still buildingDriven mainly by CKG (Chongqing), currently flying IFR (instrument). These figures come from both airports' records under conditions like today's, over the last 90 days. This route has few tracked flights so far, so treat this as an early read.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
Tomorrow at Chongqing
ForecastSun 15 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
Tomorrow at Shenzhen
ForecastSun 15 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · 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 Chongqing to Shenzhen flights today
same route · China Southern AirlinesIf CZ3456 is cancelled, these are the other China Southern Airlines nonstop flights from Chongqing to Shenzhen on the same day, with scheduled departure times in CKG local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How CZ3456 actually runs
Pro Flight Search has tracked every published board update for CZ3456 across the CKG and SZX boards: schedule changes, gate pushes and actual clocks. Usually lands ~25 min early. Based on 14 confirmed landings · 14/14 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how CZ3456 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-6339, B-1806, B-309X, B-6657.
Board clocks recorded as CKG and SZX published them.
Planning around CZ3456? 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: CZ3456 Chongqing to Shenzhen on-time performance, measured from the CKG and SZX airport boards.
https://proflightsearch.com/flight/CZ3456
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