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(AS) Alaska Airlines 4139 On-Time Performance Rating

Date Range:

15-Feb-2025 to 15-Apr-2025

(FSD) Sioux Falls Regional Airport

Sioux Falls, SD, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
45
87%
Late
4
8%
Very Late
1
2%
Excessive
1
2%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
52
Total Delays ( > 1 min )
9
Codeshares
52
Average Delay (min.)
26.666666666666668
Standard Deviation
28.3
Min
0
Max
96

AS 4139 On-Time Performance Details

Overall Rating
3.8 of 5
Good
Percentage On-Time 87%
Average Delay Time 26.666666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.8 shows that this flight has on-time performance characteristics better than 74% of all other flights in the FlightStats database.
On-Time Performance Rating
4.6 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 92% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 26.666666666666668 min
This flight has an average delay of 26.666666666666668 minutes with a standard deviation of 28.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.

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