background

(AS) Alaska Airlines 340 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(PDX) Portland International Airport

Portland, OR, US

(ONT) Ontario International Airport

Ontario, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
40
80%
Late
6
12%
Very Late
0
0%
Excessive
4
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
50
Total Delays ( > 1 min )
15
Codeshares
0
Average Delay (min.)
47.733333333333334
Standard Deviation
75.6
Min
0
Max
267

AS 340 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 80%
Average Delay Time 47.733333333333334 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 48% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. 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
0.8 of 5
Poor
Average Delay Time 47.733333333333334 min
This flight has an average delay of 47.733333333333334 minutes with a standard deviation of 75.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.