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(AS) Alaska Airlines 1304 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(SJC) San Jose Mineta International Airport

San Jose, CA, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
33
85%
Late
2
5%
Very Late
0
0%
Excessive
4
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
39
Total Delays ( > 1 min )
10
Codeshares
0
Average Delay (min.)
30.9
Standard Deviation
22.9
Min
0
Max
64

AS 1304 On-Time Performance Details

Overall Rating
4.0 of 5
Good
Percentage On-Time 85%
Average Delay Time 30.9 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4 shows that this flight has on-time performance characteristics better than 78% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 30.9 min
This flight has an average delay of 30.9 minutes with a standard deviation of 22.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.