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(AS) Alaska Airlines 121 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(PDX) Portland International Airport

Portland, OR, US

(BUR) Hollywood Burbank Airport

Burbank, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
38
67%
Late
13
23%
Very Late
3
5%
Excessive
3
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
57
Total Delays ( > 1 min )
36
Codeshares
0
Average Delay (min.)
19.27777777777778
Standard Deviation
15.6
Min
0
Max
77

AS 121 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 67%
Average Delay Time 19.27777777777778 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 53% of all other flights in the FlightStats database.
On-Time Performance Rating
0.6 of 5
Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.
Delay Performance
4.8 of 5
Very Good
Average Delay Time 19.27777777777778 min
This flight has an average delay of 19.27777777777778 minutes with a standard deviation of 15.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 96% of other flights.