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(9C) Spring Airlines 8511 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(PVG) Shanghai Pudong International Airport

Shanghai, CN

(CNX) Chiang Mai International Airport

Chiang Mai, TH

On-Time Performance Chart

(using rounded numbers)
On-Time
12
60%
Late
1
5%
Very Late
1
5%
Excessive
6
30%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
20
Total Delays ( > 1 min )
9
Codeshares
0
Average Delay (min.)
55.666666666666664
Standard Deviation
34.2
Min
0
Max
114

9C 8511 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 60%
Average Delay Time 55.666666666666664 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 10% of all other flights in the FlightStats database.
On-Time Performance Rating
0.4 of 5
Very Poor
Percentage On-Time 60%
This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 8% of other flights.
Delay Performance
0.7 of 5
Poor
Average Delay Time 55.666666666666664 min
This flight has an average delay of 55.666666666666664 minutes with a standard deviation of 34.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.