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(AS) Alaska Airlines 4491 On-Time Performance Rating

Date Range:

01-May-2026 to 30-Jun-2026

(PBI) President Donald J. Trump International Airport

West Palm Beach, FL, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
3
60%
Late
0
0%
Very Late
1
20%
Excessive
0
0%
Cancelled
0
0%
Diverted
1
20%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
4
Total Delays ( > 1 min )
2
Codeshares
4
Average Delay (min.)
20
Standard Deviation
25.5
Min
0
Max
38

AS 4491 On-Time Performance Details

Overall Rating
2.7 of 5
Average
Percentage On-Time 75%
Average Delay Time 20 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.7 shows that this flight has on-time performance characteristics better than 53% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 of 5
Average
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 42% of other flights.
Delay Performance
3.3 of 5
Average
Average Delay Time 20 min
This flight has an average delay of 20 minutes with a standard deviation of 25.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 66% of other flights.

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