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(AS) Alaska Airlines 4255 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(MKE) Milwaukee Mitchell International Airport

Milwaukee, WI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
5
42%
Late
0
0%
Very Late
1
8%
Excessive
4
33%
Cancelled
1
8%
Diverted
1
8%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
11
Total Delays ( > 1 min )
5
Codeshares
11
Average Delay (min.)
132.2
Standard Deviation
79.6
Min
0
Max
258

AS 4255 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 46%
Average Delay Time 132.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 46%
This flight has an on-time performance of 46%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 1% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 132.2 min
This flight has an average delay of 132.2 minutes with a standard deviation of 79.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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