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(OZ) Asiana Airlines 9540 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
40
69%
Late
6
10%
Very Late
2
3%
Excessive
9
16%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
25
Codeshares
58
Average Delay (min.)
45.04
Standard Deviation
51.5
Min
0
Max
220

OZ 9540 On-Time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 69%
Average Delay Time 45.04 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.3 shows that this flight has on-time performance characteristics better than 5% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 69%
This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 7% of other flights.
Delay Performance
0.3 of 5
Very Poor
Average Delay Time 45.04 min
This flight has an average delay of 45.04 minutes with a standard deviation of 51.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 5% of other flights.