Airline · CZ · ChinaHow reliable is China Southern Airlines?
China Southern Airlines runs 82% on time across 5,319 flights of official history. Here’s how it really performs — including when it’s late and on which routes.
Reliability score
on-time, cancellations & delays
Network reliability
China Southern Airlines’s on-time record across its whole network
Source: UK CAA · data through 2025-12-31. All-cause performance (this source has no delay-cause split). Advisory context, not a guarantee for any one flight.
When flights run late
It’s not just if China Southern Airlines is late — it’s how late
Of every 100 China Southern Airlines flights, how they actually land — on time, or in each lateness band. A short delay is a nuisance; a 2-hour delay misses connections.
Routes
Where China Southern Airlines shines — and where it struggles
Its most and least reliable routes by on-time rate (routes with a meaningful sample). Tap an airport for its full profile.
The read on China Southern Airlines
What the record actually tells you about flying China Southern Airlines
China Southern Airlines runs about 82% on time across 5,319 flights of official all-cause history — one of the better on-time records in the data. On cancellations, cancellations are rare here, at roughly 0.3%.
It's not just whether a flight is late, but how late. When China Southern Airlines runs behind, the typical delay lands around 10 minutes, and only a small slice — about 0.9% — slip two hours or more, so the worst-case tail is relatively contained.
Reliability isn't uniform across China Southern Airlines's map. Its strongest route in the data is HRB–PVG, running around 93% on time, while HGH–SZX is among its weakest at about 62%. That gap is the whole point: judge China Southern Airlines on the route you're actually flying, not on its overall average.
A track record is the backdrop, not a verdict on your flight. To put it to work, score your actual China Southern Airlines flight on reliability, weather, and connection safety, see how the Peace of Mind Score works, and read are some airlines really more reliable and how to read on-time stats.
Common questions about China Southern Airlines
- How often is China Southern Airlines on time?
- China Southern Airlines (CZ) ran about 82% on time across 5,319 flights of official history — one of the better on-time records in the data. Its cancellation rate is roughly 0.3%.
- Is China Southern Airlines a reliable airline?
- On the numbers, China Southern Airlines has one of the better on-time records in the data. Typical delays run around 10 minutes when flights are late. Reliability varies by route and time of day, so check your specific flight rather than the brand average. It's advisory context, not a guarantee for any one flight.
- Which routes does China Southern Airlines fly most reliably?
- In our data, HRB–PVG is among China Southern Airlines's most reliable routes at about 93% on time, while HGH–SZX is among its weakest near 62%. The same airline can perform very differently route to route.
Reliability guides
Flying China Southern Airlines?
Score your actual flight on reliability, weather, and connection safety before you book — China Southern Airlines’s track record is just the start.