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(AS) Alaska Airlines 436 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-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
23
82%
Late
3
11%
Very Late
0
0%
Excessive
1
4%
Cancelled
0
0%
Diverted
1
4%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
23.666666666666668
Standard Deviation
25.2
Min
0
Max
73

AS 436 On-Time Performance Details

Overall Rating
3.7 of 5
Good
Percentage On-Time 85%
Average Delay Time 23.666666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.7 shows that this flight has on-time performance characteristics better than 73% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 23.666666666666668 min
This flight has an average delay of 23.666666666666668 minutes with a standard deviation of 25.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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