background

(CZ) China Southern Airlines 8423 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(SZX) Shenzhen Bao'an International Airport

Shenzhen, CN

(LHW) Lanzhou Zhongchuan International Airport

Lanzhou, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
35
76%
Late
2
4%
Very Late
1
2%
Excessive
8
17%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
46
Total Delays ( > 1 min )
14
Codeshares
0
Average Delay (min.)
89.57142857142857
Standard Deviation
119.5
Min
0
Max
460

CZ 8423 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 76%
Average Delay Time 89.57142857142857 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 37% of all other flights in the FlightStats database.
On-Time Performance Rating
3.8 of 5
Good
Percentage On-Time 76%
This flight has an on-time performance of 76%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 76% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 89.57142857142857 min
This flight has an average delay of 89.57142857142857 minutes with a standard deviation of 119.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.