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(CZ) China Southern Airlines 1635 On-Time Performance Rating

Date Range:

01-Apr-2025 to 31-May-2025

(CLT) Charlotte Douglas International Airport

Charlotte, NC, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
23
68%
Late
7
21%
Very Late
0
0%
Excessive
4
12%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
34
Total Delays ( > 1 min )
20
Codeshares
34
Average Delay (min.)
23.1
Standard Deviation
21
Min
0
Max
86

CZ 1635 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 68%
Average Delay Time 23.1 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 41% of all other flights in the FlightStats database.
On-Time Performance Rating
0.4 of 5
Very Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 8% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 23.1 min
This flight has an average delay of 23.1 minutes with a standard deviation of 21 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.