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(CZ) China Southern Airlines 657 On-time Performance Rating

Date Range:

01-Nov-2018 to 31-Dec-2018

(CAN) Guangzhou Baiyun International Airport

Guangzhou, CN

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
29
85%
Late
1
3%
Very Late
1
3%
Excessive
3
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
34
Total Delays ( > 1 min )
8
Codeshares
0
Average Delay (min.)
60
Standard Deviation
90.2
Min
0
Max
275

CZ 657 On-time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 85%
Average Delay Time 60 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 44% of all other flights in the FlightStats database.
On-time Performance Rating
4.4 of 5
Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 60 min
This flight has an average delay of 60 minutes with a standard deviation of 90.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.