CZ3420 KunmingKMG · 07:30 GuangzhouCAN · 09:50
CZ3420 by China Southern Airlines flies from Kunming (KMG) to Guangzhou (CAN) for the Wed, Sep 16 departure.
arrived at CAN · 21 min early
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 −22 min · 0 cancelled · 13 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Early read, sample still buildingDriven mainly by CAN (Guangzhou), currently flying MVFR (marginal visual). 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 Kunming to Guangzhou flights today
same route · China Southern AirlinesIf CZ3420 is cancelled, these are the other China Southern Airlines nonstop flights from Kunming to Guangzhou on the same day, with scheduled departure times in KMG local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How CZ3420 actually runs
Pro Flight Search has tracked every published board update for CZ3420 across the KMG and CAN boards: schedule changes, gate pushes and actual clocks. Usually lands ~21 min early. Based on 12 confirmed landings · 12/12 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how CZ3420 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-5676, B-5596, B-5190, B-5421.
Board clocks recorded as KMG and CAN published them.
Planning around CZ3420? 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 — CZ3420 Kunming to Guangzhou on-time performance, measured from the KMG and CAN airport boards.
https://proflightsearch.com/flight/CZ3420
.