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(AS) Alaska Airlines 427 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(PDX) Portland International Airport

Portland, OR, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
26
54%
Late
6
13%
Very Late
5
10%
Excessive
7
15%
Cancelled
3
6%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
47
Total Delays ( > 1 min )
32
Codeshares
0
Average Delay (min.)
46.84375
Standard Deviation
116.5
Min
0
Max
670

AS 427 On-Time Performance Details

Overall Rating
0.5 of 5
Very Poor
Percentage On-Time 55%
Average Delay Time 46.84375 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.5 shows that this flight has on-time performance characteristics better than 8% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 55%
This flight has an on-time performance of 55%. 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
0.9 of 5
Poor
Average Delay Time 46.84375 min
This flight has an average delay of 46.84375 minutes with a standard deviation of 116.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.