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(AS) Alaska Airlines 8423 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-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
14
23%
Very Late
6
10%
Excessive
7
12%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
38
Codeshares
60
Average Delay (min.)
31.605263157894736
Standard Deviation
31.3
Min
0
Max
150

AS 8423 On-Time Performance Details

Overall Rating
1.8 of 5
Average
Percentage On-Time 53%
Average Delay Time 31.605263157894736 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.8 shows that this flight has on-time performance characteristics better than 34% 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
3.5 of 5
Average
Average Delay Time 31.605263157894736 min
This flight has an average delay of 31.605263157894736 minutes with a standard deviation of 31.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.