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(AS) Alaska Airlines 121 On-Time Performance Rating

Date Range:

15-Apr-2025 to 15-Jun-2025

(PDX) Portland International Airport

Portland, OR, US

(BUR) Hollywood Burbank Airport

Burbank, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
52
87%
Late
4
7%
Very Late
2
3%
Excessive
1
2%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
36
Codeshares
0
Average Delay (min.)
9.86111111111111
Standard Deviation
11.2
Min
0
Max
45

AS 121 On-Time Performance Details

Overall Rating
5.0 of 5
Very Good
Percentage On-Time 87%
Average Delay Time 9.86111111111111 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 5 shows that this flight has on-time performance characteristics better than 98% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 97% of other flights.
Delay Performance
5.0 of 5
Very Good
Average Delay Time 9.86111111111111 min
This flight has an average delay of 9.86111111111111 minutes with a standard deviation of 11.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 100% of other flights.