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(AS) Alaska Airlines 4137 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-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
2
67%
Late
0
0%
Very Late
0
0%
Excessive
1
33%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
3
Total Delays ( > 1 min )
2
Codeshares
3
Average Delay (min.)
69.5
Standard Deviation
85.6
Min
0
Max
130

AS 4137 On-Time Performance Details

Overall Rating
1.3 of 5
Poor
Percentage On-Time 67%
Average Delay Time 69.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.3 shows that this flight has on-time performance characteristics better than 25% of all other flights in the FlightStats database.
On-Time Performance Rating
1.7 of 5
Average
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 34% of other flights.
Delay Performance
0.9 of 5
Poor
Average Delay Time 69.5 min
This flight has an average delay of 69.5 minutes with a standard deviation of 85.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 18% of other flights.

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