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(AS) Alaska Airlines 436 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-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
44
88%
Late
2
4%
Very Late
1
2%
Excessive
2
4%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
49
Total Delays ( > 1 min )
21
Codeshares
0
Average Delay (min.)
12.857142857142858
Standard Deviation
18.3
Min
0
Max
66

AS 436 On-Time Performance Details

Overall Rating
4.8 of 5
Very Good
Percentage On-Time 90%
Average Delay Time 12.857142857142858 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.8 shows that this flight has on-time performance characteristics better than 95% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 90%
This flight has an on-time performance of 90%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
4.7 of 5
Very Good
Average Delay Time 12.857142857142858 min
This flight has an average delay of 12.857142857142858 minutes with a standard deviation of 18.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 95% of other flights.

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