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(AS) Alaska Airlines 4509 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(DCA) Ronald Reagan Washington National Airport

Washington, DC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
29
54%
Late
4
7%
Very Late
2
4%
Excessive
14
26%
Cancelled
5
9%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
54
Total Delays ( > 1 min )
25
Codeshares
54
Average Delay (min.)
93.44
Standard Deviation
93.2
Min
0
Max
308

AS 4509 On-Time Performance Details

Overall Rating
0.0 of 5
Very Poor
Percentage On-Time 54%
Average Delay Time 93.44 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0 shows that this flight has on-time performance characteristics better than 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 54%
This flight has an on-time performance of 54%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 93.44 min
This flight has an average delay of 93.44 minutes with a standard deviation of 93.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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