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(OZ) Asiana Airlines 6321 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(PDX) Portland International Airport

Portland, OR, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
41
67%
Late
3
5%
Very Late
5
8%
Excessive
11
18%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
31
Codeshares
60
Average Delay (min.)
56
Standard Deviation
65
Min
0
Max
239

OZ 6321 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 68%
Average Delay Time 56 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 9% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
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 18% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 56 min
This flight has an average delay of 56 minutes with a standard deviation of 65 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.