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(AS) Alaska Airlines 4588 On-Time Performance Rating

Date Range:

15-Aug-2026 to 15-Oct-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
25
69%
Late
1
3%
Very Late
1
3%
Excessive
7
19%
Cancelled
1
3%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
35
Total Delays ( > 1 min )
11
Codeshares
35
Average Delay (min.)
71.18181818181819
Standard Deviation
55.3
Min
0
Max
153

AS 4588 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 71%
Average Delay Time 71.18181818181819 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 7% of all other flights in the FlightStats database.
On-Time Performance Rating
0.8 of 5
Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 16% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 71.18181818181819 min
This flight has an average delay of 71.18181818181819 minutes with a standard deviation of 55.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.

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