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(CZ) China Southern Airlines 1638 On-Time Performance Rating

Date Range:

15-Mar-2025 to 15-May-2025

(SFO) San Francisco International Airport

San Francisco, CA, US

(CLT) Charlotte Douglas International Airport

Charlotte, NC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
32
91%
Late
1
3%
Very Late
0
0%
Excessive
2
6%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
9
Codeshares
35
Average Delay (min.)
88.11111111111111
Standard Deviation
227.3
Min
0
Max
693

CZ 1638 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 91%
Average Delay Time 88.11111111111111 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 48% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 91%
This flight has an on-time performance of 91%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 88.11111111111111 min
This flight has an average delay of 88.11111111111111 minutes with a standard deviation of 227.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.