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(AS) Alaska Airlines 657 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(SJC) San Jose Mineta International Airport

San Jose, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
51
84%
Late
5
8%
Very Late
5
8%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
31
Codeshares
0
Average Delay (min.)
14.806451612903226
Standard Deviation
11.4
Min
0
Max
43

AS 657 On-Time Performance Details

Overall Rating
4.5 of 5
Good
Percentage On-Time 84%
Average Delay Time 14.806451612903226 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.5 shows that this flight has on-time performance characteristics better than 88% of all other flights in the FlightStats database.
On-Time Performance Rating
4.2 of 5
Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 84% of other flights.
Delay Performance
4.7 of 5
Very Good
Average Delay Time 14.806451612903226 min
This flight has an average delay of 14.806451612903226 minutes with a standard deviation of 11.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 95% of other flights.