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(AS) Alaska Airlines 4588 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(PIT) Pittsburgh International Airport

Pittsburgh, PA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
29
85%
Late
1
3%
Very Late
1
3%
Excessive
3
9%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
34
Total Delays ( > 1 min )
7
Codeshares
34
Average Delay (min.)
48.857142857142854
Standard Deviation
45.3
Min
0
Max
121

AS 4588 On-Time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 85%
Average Delay Time 48.857142857142854 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 58% of all other flights in the FlightStats database.
On-Time Performance Rating
4.7 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 48.857142857142854 min
This flight has an average delay of 48.857142857142854 minutes with a standard deviation of 45.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.

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