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(AS) Alaska Airlines 4558 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(SAT) San Antonio International Airport

San Antonio, TX, US

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
41
82%
Late
2
4%
Very Late
3
6%
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 )
11
Codeshares
50
Average Delay (min.)
80.54545454545455
Standard Deviation
102.1
Min
0
Max
348

AS 4558 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 82%
Average Delay Time 80.54545454545455 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 38% of all other flights in the FlightStats database.
On-Time Performance Rating
3.9 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 79% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 80.54545454545455 min
This flight has an average delay of 80.54545454545455 minutes with a standard deviation of 102.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.