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(AS) Alaska Airlines 4135 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(DSM) Des Moines International Airport

Des Moines, IA, US

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
16
76%
Late
1
5%
Very Late
0
0%
Excessive
3
14%
Cancelled
0
0%
Diverted
1
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
20
Total Delays ( > 1 min )
7
Codeshares
20
Average Delay (min.)
47.857142857142854
Standard Deviation
54.6
Min
0
Max
159

AS 4135 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 80%
Average Delay Time 47.857142857142854 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-Time Performance Rating
3.5 of 5
Average
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 69% of other flights.
Delay Performance
1.1 of 5
Poor
Average Delay Time 47.857142857142854 min
This flight has an average delay of 47.857142857142854 minutes with a standard deviation of 54.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.

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