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(CZ) China Southern Airlines 8158 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(BKK) Bangkok Suvarnabhumi International Airport

Bangkok, TH

(SZX) Shenzhen Bao'an International Airport

Shenzhen, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
52
90%
Late
1
2%
Very Late
1
2%
Excessive
3
5%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
14
Codeshares
0
Average Delay (min.)
23.428571428571427
Standard Deviation
26.8
Min
0
Max
96

CZ 8158 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 90%
Average Delay Time 23.428571428571427 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 90% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 23.428571428571427 min
This flight has an average delay of 23.428571428571427 minutes with a standard deviation of 26.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.