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(ZH) Shenzhen Airlines 631 On-Time Performance Rating

Date Range:

01-Apr-2026 to 31-May-2026

(SZX) Shenzhen Bao'an International Airport

Shenzhen, CN

(ICN) Seoul Incheon International Airport

Seoul, KR

On-Time Performance Chart

(using rounded numbers)
On-Time
38
68%
Late
4
7%
Very Late
3
5%
Excessive
11
20%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
27
Codeshares
0
Average Delay (min.)
53.888888888888886
Standard Deviation
80
Min
0
Max
392

ZH 631 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 68%
Average Delay Time 53.888888888888886 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 1% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 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 2% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 53.888888888888886 min
This flight has an average delay of 53.888888888888886 minutes with a standard deviation of 80 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.