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(CZ) China Southern Airlines 6511 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(CGQ) Changchun Longjia International Airport

Changchun, CN

(NKG) Nanjing Lukou International Airport

Nanjing, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
42
75%
Late
8
14%
Very Late
3
5%
Excessive
3
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
26
Codeshares
0
Average Delay (min.)
27.153846153846153
Standard Deviation
40.2
Min
0
Max
151

CZ 6511 On-Time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 75%
Average Delay Time 27.153846153846153 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 75%
This flight has an on-time performance of 75%. 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 27.153846153846153 min
This flight has an average delay of 27.153846153846153 minutes with a standard deviation of 40.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.