CZ8503China Southern Airlines · SZX → CZX
live · 3h ago
Route confirmed China Southern Airlines

CZ8503 ShenzhenSZX · 22:00 ChangzhouCZX

CZ8503 by China Southern Airlines flies from Shenzhen (SZX) to Changzhou (CZX) for the Fri, Oct 16 departure.

Right nowEn route to Changzhou · off blocks 22:20 · 20 min late
En route

en route from SZX to CZX

En routeCZ8503 · position estimated
SZXShenzhenCZXChangzhou
Estimated from the boards

Board estimate · gate and arrival times. Off blocks 22:20.

Typical gate push+25 minmedian posted departure

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-17
+20 gate
10-16
+20 gate
10-15
+25 gate
10-11
+16 gate
10-08
+27 gate
10-07
+23 gate
10-06
+28 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 · 9 operations tracked

The route today

live boards
SZXShenzhenModerate riskSZX delay board →
CZXChangzhouOn-time likelyCZX delay board →
SZX→CZXevery carrier, schedules and on-time historyRoute intelligence →

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 Changzhou flights today

same route · China Southern Airlines
CZ3351departs 07:05

If CZ8503 is cancelled, this is the other China Southern Airlines nonstop flight from Shenzhen to Changzhou 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 CZ8503 actually runs

Pro Flight Search has tracked every published board update for CZ8503 across the SZX and CZX boards: schedule changes, gate pushes and actual clocks. Usually departs ~25 min late. Based on 8 confirmed departures · 1/8 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how CZ8503 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
10-17SZX 22:00 22:20 (+20)CZX
10-16SZX 22:00 22:20 (+20)CZX
10-15SZX 22:00 22:25 (+25)CZX
10-11SZX 22:25 22:41 (+16)CZX
10-08SZX 22:25 22:52 (+27)CZX
10-07SZX 22:25 22:48 (+23)CZX
10-06SZX 22:25 22:53 (+28)CZX
10-04SZX 22:25 01:14 (+169)CZX
10-02SZX 22:25 23:13 (+48)CZX

Aircraft

Recent tails: B-6625, B-9917, B-1696, B-1690.

Board clocks recorded as SZX and CZX 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 — CZ8503 Shenzhen to Changzhou on-time performance, measured from the SZX and CZX airport boards.

Canonical URL
https://proflightsearch.com/flight/CZ8503
How we measure this →