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(NS) Hebei Airlines 8257 On-Time Performance Rating

Date Range:

15-Mar-2025 to 15-May-2025

(CSX) Changsha Huanghua International Airport

Changsha, CN

(XNN) Xining Caojiabao International Airport

Xining, CN

On-Time Performance Chart

(using rounded numbers)
On-Time
41
77%
Late
6
11%
Very Late
2
4%
Excessive
3
6%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
31
Codeshares
53
Average Delay (min.)
17.35483870967742
Standard Deviation
20.7
Min
0
Max
88

NS 8257 On-Time Performance Details

Overall Rating
3.4 of 5
Average
Percentage On-Time 77%
Average Delay Time 17.35483870967742 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.4 shows that this flight has on-time performance characteristics better than 66% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 of 5
Average
Percentage On-Time 77%
This flight has an on-time performance of 77%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 42% of other flights.
Delay Performance
4.6 of 5
Very Good
Average Delay Time 17.35483870967742 min
This flight has an average delay of 17.35483870967742 minutes with a standard deviation of 20.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 92% of other flights.

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