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(AS) Alaska Airlines 4135 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-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
46
88%
Late
1
2%
Very Late
0
0%
Excessive
4
8%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
16
Codeshares
51
Average Delay (min.)
30.9375
Standard Deviation
43.6
Min
0
Max
119

AS 4135 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 90%
Average Delay Time 30.9375 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 85% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 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 100% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 30.9375 min
This flight has an average delay of 30.9375 minutes with a standard deviation of 43.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

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