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(AS) Alaska Airlines 4538 On-Time Performance Rating

Date Range:

01-Aug-2025 to 30-Sep-2025

(MSN) Dane County Regional Airport

Madison, WI, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
16
89%
Late
0
0%
Very Late
0
0%
Excessive
1
6%
Cancelled
0
0%
Diverted
1
6%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
17
Total Delays ( > 1 min )
4
Codeshares
17
Average Delay (min.)
36.75
Standard Deviation
57.1
Min
0
Max
122

AS 4538 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 94%
Average Delay Time 36.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 69% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 94%
This flight has an on-time performance of 94%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 97% of other flights.
Delay Performance
2.1 of 5
Average
Average Delay Time 36.75 min
This flight has an average delay of 36.75 minutes with a standard deviation of 57.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 42% of other flights.

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