CZ3256China Southern Airlines · SHA → SZX
live · 48m ago
Route confirmed China Southern Airlines

CZ3256 ShanghaiSHA · 14:40 ShenzhenSZX · 17:10

CZ3256 by China Southern Airlines flies from Shanghai (SHA) to Shenzhen (SZX).

Right nowNext departure tomorrow Operates daily
14:40

scheduled from SHA

⚖ CZ3256 typically leaves +15 and lands −17. The air wins minutes back.
Typical gate push+15 minmedian posted departure
Typical arrival−17 minmedian over 15 operations
Wins back in air~32 minmedian gate push vs arrival · how planes make up time → Cancellation0 in 15tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-24
−26 arrival
10-23
+14 gate · −25 arrival
10-22
+46 gate · +8 arrival
10-21
+15 gate · −17 arrival
10-20
+23 gate · −4 arrival
10-19
+11 gate · −24 arrival
10-18
+42 gate · +6 arrival

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

median arrival −17 min · 0 cancelled · 15 operations tracked

The route today

live boards
SHAShanghaiOn-time likelySHA delay board →
SZXShenzhenOn-time likelySZX delay board →
SHA→SZXevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
30%Chance of 15+ min delay
1.4%Chance of cancellation
+2 minAvg hub delay right now

Driven mainly by SHA (Shanghai), currently flying MVFR (marginal visual). For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

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 Shanghai to Shenzhen flights today

same route · China Southern Airlines
CZ3590departs 07:55
CZ3966departs 11:40
CZ3554departs 12:40
CZ3552departs 15:40
CZ3562departs 16:40
CZ3626departs 17:50

If CZ3256 is cancelled, these are the other China Southern Airlines nonstop flights from Shanghai to Shenzhen on the same day, with scheduled departure times in SHA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How CZ3256 actually runs

Pro Flight Search has tracked every published board update for CZ3256 across the SHA and SZX boards: schedule changes, gate pushes and actual clocks. Usually lands ~16 min early. Based on 14 confirmed landings · 14/14 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how CZ3256 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
10-24SHA 14:40SZX 17:10 16:44 (−26)
10-23SHA 14:40 14:54 (+14)SZX 17:10 16:45 (−25)
10-22SHA 14:40 15:26 (+46)SZX 17:10 17:18 (+8)
10-21SHA 14:40 14:55 (+15)SZX 17:10 16:53 (−17)
10-20SHA 14:40 15:03 (+23)SZX 17:10 17:06 (−4)
10-19SHA 14:40 14:51 (+11)SZX 17:10 16:46 (−24)
10-18SHA 14:40 15:22 (+42)SZX 17:10 17:16 (+6)
10-17SHA 14:40 14:54 (+14)SZX 17:10 16:44 (−26)
10-16SHA 14:40 15:01 (+21)SZX 17:10 17:01 (−9)
10-15SHA 14:40 15:24 (+44)SZX 17:10 17:22 (+12)
10-14SHA 14:40 14:52 (+12)SZX 17:10 16:54 (−16)
10-13SHA 14:40 15:06 (+26)SZX 17:10 17:01 (−9)
10-12SHA 14:40 14:54 (+14)SZX 17:10 16:50 (−20)
10-11SHA 14:40 14:48 (+8)SZX 17:10 16:42 (−28)
10-10SHA 14:40 14:54 (+14)SZX 17:10 16:45 (−25)

Aircraft

Recent tails: B-7183, B-2009, B-32EW, B-2048.

Board clocks recorded as SHA and SZX published them.

Planning around CZ3256? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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 — CZ3256 Shanghai to Shenzhen on-time performance, measured from the SHA and SZX airport boards.

Canonical URL
https://proflightsearch.com/flight/CZ3256
How we measure this →