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(CZ) China Southern Airlines 3631 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(SZX) Shenzhen Bao'an International Airport

Shenzhen, CN

(HZA) Heze Mudan Airport

Heze, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
14
56%
Late
7
28%
Very Late
2
8%
Excessive
1
4%
Cancelled
1
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
17
Codeshares
0
Average Delay (min.)
16.823529411764707
Standard Deviation
13.1
Min
0
Max
52

CZ 3631 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 56%
Average Delay Time 16.823529411764707 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 43% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 56%
This flight has an on-time performance of 56%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
4.4 of 5
Good
Average Delay Time 16.823529411764707 min
This flight has an average delay of 16.823529411764707 minutes with a standard deviation of 13.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.