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(AS) Alaska Airlines 4558 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(MEM) Memphis International Airport

Memphis, TN, US

On-Time Performance Chart

(using rounded numbers)
On-Time
24
89%
Late
1
4%
Very Late
1
4%
Excessive
0
0%
Cancelled
1
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
27
Total Delays ( > 1 min )
6
Codeshares
27
Average Delay (min.)
11.5
Standard Deviation
11.2
Min
0
Max
30

AS 4558 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 89%
Average Delay Time 11.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 91% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 98% of other flights.
Delay Performance
4.3 of 5
Good
Average Delay Time 11.5 min
This flight has an average delay of 11.5 minutes with a standard deviation of 11.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 86% of other flights.

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