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(AS) Alaska Airlines 823 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

(NRT) Tokyo Narita International Airport

Tokyo, JP

On-Time Performance Chart

(using rounded numbers)
On-Time
32
53%
Late
15
25%
Very Late
8
13%
Excessive
5
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
49
Codeshares
0
Average Delay (min.)
30.367346938775512
Standard Deviation
48.5
Min
0
Max
255

AS 823 On-Time Performance Details

Overall Rating
1.7 of 5
Average
Percentage On-Time 53%
Average Delay Time 30.367346938775512 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.7 shows that this flight has on-time performance characteristics better than 32% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 53%
This flight has an on-time performance of 53%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 30.367346938775512 min
This flight has an average delay of 30.367346938775512 minutes with a standard deviation of 48.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.