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(CZ) China Southern Airlines 311 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(CAN) Guangzhou Baiyun International Airport

Guangzhou, CN

(YYZ) Toronto Pearson International Airport

Toronto, ON, CA

On-Time Performance Chart

(using rounded numbers)
On-Time
28
80%
Late
3
9%
Very Late
4
11%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
19.076923076923077
Standard Deviation
13.5
Min
0
Max
43

CZ 311 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 80%
Average Delay Time 19.076923076923077 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 76% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 19.076923076923077 min
This flight has an average delay of 19.076923076923077 minutes with a standard deviation of 13.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.