CZ3459 ShenzhenSZX · 09:45 KunmingKMG · 12:05
CZ3459 by China Southern Airlines flies from Shenzhen (SZX) to Kunming (KMG) for the Thu, Sep 17 departure.
estimated arrival at KMG · local time · past this estimate · waiting on the board
board checked 49m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 10:02.
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 · 12 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at SZX and KMG 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 →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Shenzhen to Kunming flights today
same route · China Southern AirlinesIf CZ3459 is cancelled, these are the other China Southern Airlines nonstop flights from Shenzhen to Kunming 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 CZ3459 actually runs
Pro Flight Search has tracked every published board update for CZ3459 across the SZX and KMG boards: schedule changes, gate pushes and actual clocks. Usually departs ~20 min late. Based on 12 confirmed departures · 2/12 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how CZ3459 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-1880, B-1845, B-6630, B-2418.
Board clocks recorded as SZX and KMG published them.
Planning around CZ3459? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — CZ3459 Shenzhen to Kunming on-time performance, measured from the SZX and KMG airport boards.
https://proflightsearch.com/flight/CZ3459
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