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(AS) Alaska Airlines 1311 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(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
39
74%
Late
3
6%
Very Late
6
11%
Excessive
1
2%
Cancelled
4
8%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
53
Total Delays ( > 1 min )
22
Codeshares
0
Average Delay (min.)
17.863636363636363
Standard Deviation
13.9
Min
0
Max
45

AS 1311 On-Time Performance Details

Overall Rating
4.2 of 5
Good
Percentage On-Time 74%
Average Delay Time 17.863636363636363 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.2 shows that this flight has on-time performance characteristics better than 82% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
4.7 of 5
Very Good
Average Delay Time 17.863636363636363 min
This flight has an average delay of 17.863636363636363 minutes with a standard deviation of 13.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 95% of other flights.