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(AS) Alaska Airlines 4157 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(MKE) Milwaukee Mitchell International Airport

Milwaukee, WI, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
23
70%
Late
6
18%
Very Late
2
6%
Excessive
2
6%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
33
Total Delays ( > 1 min )
20
Codeshares
33
Average Delay (min.)
19.5
Standard Deviation
17.5
Min
0
Max
69

AS 4157 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 70%
Average Delay Time 19.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-Time Performance Rating
0.5 of 5
Very Poor
Percentage On-Time 70%
This flight has an on-time performance of 70%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 10% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 19.5 min
This flight has an average delay of 19.5 minutes with a standard deviation of 17.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.

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