CZ3978China Southern Airlines · SZX → SYX
live · 7h ago
Route confirmed China Southern Airlines

CZ3978 ShenzhenSZX · 09:25 SanyaSYX

CZ3978 by China Southern Airlines flies from Shenzhen (SZX) to Sanya (SYX).

Right nowNext departure today Operates daily
09:25

scheduled from SZX

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-30
+26 gate
10-29
+14 gate
10-28
+9 gate
10-27
+11 gate
10-26
+12 gate
10-25
+18 gate
10-24
+17 gate

The 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 operation

0 cancelled · 16 operations tracked

The route today

live boards
SZXShenzhenOn-time likelySZX delay board →
SYXSanyaOn-time likelySYX delay board →
SZX→SYXevery carrier, schedules and on-time historyRoute intelligence →

Tomorrow on this route

Forecast

Shenzhen to Sanya with China Southern Airlines · Sat 31 Oct, local date

Outlook: about usual
Chance a departure leaves 60+ min late
5.5%0.8× usual

No cancellation outlook here: this airport's board does not publish cancellations reliably.

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 3 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Shenzhen to Sanya flights today

same route · China Southern Airlines
CZ8697departs 14:55
CZ6497departs 20:20
CZ6758departs 23:20

If 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 that show a delay still operate. Rebooking usually helps only when that delay is very large. 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 ~16 min late. Based on 14 confirmed departures · 7/14 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.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-30SZX 09:25 09:51 (+26)SYX
10-29SZX 10:05 10:19 (+14)SYX
10-28SZX 10:05 10:14 (+9)SYX
10-27SZX 10:05 10:16 (+11)SYX
10-26SZX 10:05 10:17 (+12)SYX
10-25SZX 10:05 10:23 (+18)SYX
10-24SZX 09:25 09:42 (+17)SYX
10-23SZX 09:25 09:51 (+26)SYX
10-22SZX 09:25 09:37 (+12)SYX
10-21SZX 09:25 09:44 (+19)SYX
10-20SZX 09:25 09:35 (+10)SYX
10-19SZX 09:25 09:42 (+17)SYX
10-18SZX 09:25 09:36 (+11)SYX
10-17SZX 09:25 09:48 (+23)SYX
10-16SZX 09:25 09:45 (+20)SYX
10-15SZX 09:25 09:29 (+4)SYX

Aircraft

Recent tails: B-32JZ, B-8341, B-30EE, B-8677.

Board clocks recorded as SZX and SYX published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: CZ3978 Shenzhen to Sanya on-time performance, measured from the SZX and SYX airport boards.

Canonical URL
https://proflightsearch.com/flight/CZ3978
How we measure this →