CZ3901 BeijingPKX KunmingKMG
CZ3901 by China Southern Airlines flies from Beijing (PKX) to Kunming (KMG).
scheduled from PKX
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at PKX 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 Beijing to Kunming flights today
same route · China Southern AirlinesIf CZ3901 is cancelled, these are the other China Southern Airlines nonstop flights from Beijing to Kunming on the same day, with scheduled departure times in PKX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How CZ3901 actually runs
Pro Flight Search has tracked every published board update for CZ3901 across the PKX and KMG boards: schedule changes, gate pushes and actual clocks. Combined risk score: 38.7/100. Based on airport operations, weather, and cached board history at PKX and KMG.
The verdict above is that record speaking, so it reflects how CZ3901 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around CZ3901? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — CZ3901 Beijing to Kunming on-time performance, measured from the PKX and KMG airport boards.
https://proflightsearch.com/flight/CZ3901
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