background

(AS) Alaska Airlines 436 On-Time Performance Rating

Date Range:

01-Aug-2026 to 30-Sep-2026

(PDX) Portland International Airport

Portland, OR, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
56
93%
Late
3
5%
Very Late
1
2%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
16
Codeshares
0
Average Delay (min.)
10.5625
Standard Deviation
8.8
Min
0
Max
31

AS 436 On-Time Performance Details

Overall Rating
4.9 of 5
Very Good
Percentage On-Time 93%
Average Delay Time 10.5625 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.9 shows that this flight has on-time performance characteristics better than 97% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 93%
This flight has an on-time performance of 93%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
4.8 of 5
Very Good
Average Delay Time 10.5625 min
This flight has an average delay of 10.5625 minutes with a standard deviation of 8.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 96% of other flights.