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(AS) Alaska Airlines 257 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(SJC) San Jose Mineta International Airport

San Jose, CA, US

(KOA) Ellison Onizuka Kona Intl Airport at Keahole

Kailua-Kona, HI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
23
92%
Late
1
4%
Very Late
0
0%
Excessive
1
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
4
Codeshares
0
Average Delay (min.)
20.25
Standard Deviation
19.4
Min
0
Max
47

AS 257 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 92%
Average Delay Time 20.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 80% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 92%
This flight has an on-time performance of 92%. 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
3.3 of 5
Average
Average Delay Time 20.25 min
This flight has an average delay of 20.25 minutes with a standard deviation of 19.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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