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(CZ) China Southern Airlines 1621 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(PVG) Shanghai Pudong International Airport

Shanghai, CN

(DFW) Dallas Fort Worth International Airport

Dallas, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
52
90%
Late
3
5%
Very Late
2
3%
Excessive
0
0%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
57
Total Delays ( > 1 min )
7
Codeshares
57
Average Delay (min.)
22.142857142857142
Standard Deviation
10.8
Min
0
Max
35

CZ 1621 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 91%
Average Delay Time 22.142857142857142 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 85% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 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 100% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 22.142857142857142 min
This flight has an average delay of 22.142857142857142 minutes with a standard deviation of 10.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.