CZ3978 ShenzhenSZX · 09:25 SanyaSYX
CZ3978 by China Southern Airlines flies from Shenzhen (SZX) to Sanya (SYX).
scheduled from SZX
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 · 15 operations tracked
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Shenzhen to Sanya flights today
same route · China Southern AirlinesIf CZ3978 is cancelled, these are the other China Southern Airlines nonstop flights from Shenzhen to Sanya 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 CZ3978 actually runs
Pro Flight Search has tracked every published board update for CZ3978 across the SZX and SYX boards: schedule changes, gate pushes and actual clocks. Usually departs ~13 min late. Based on 13 confirmed departures · 11/13 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how CZ3978 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-8341, B-8639, B-6651, B-32MQ.
Board clocks recorded as SZX and SYX published them.
Planning around CZ3978? 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 — CZ3978 Shenzhen to Sanya on-time performance, measured from the SZX and SYX airport boards.
https://proflightsearch.com/flight/CZ3978
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