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(OZ) Asiana Airlines 9523 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(SFO) San Francisco International Airport

San Francisco, CA, US

(EWR) Newark Liberty International Airport

Newark, NJ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
39
70%
Late
4
7%
Very Late
1
2%
Excessive
10
18%
Cancelled
2
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
23
Codeshares
56
Average Delay (min.)
57.869565217391305
Standard Deviation
63.8
Min
0
Max
252

OZ 9523 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 70%
Average Delay Time 57.869565217391305 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 12% of all other flights in the FlightStats database.
On-Time Performance Rating
1.2 of 5
Poor
Percentage On-Time 70%
This flight has an on-time performance of 70%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 24% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 57.869565217391305 min
This flight has an average delay of 57.869565217391305 minutes with a standard deviation of 63.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.