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(AS) Alaska Airlines 491 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(BUR) Hollywood Burbank Airport

Burbank, CA, US

(SEA) Seattle-Tacoma International Airport

Seattle, WA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
26
68%
Late
6
16%
Very Late
1
3%
Excessive
4
11%
Cancelled
0
0%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
37
Total Delays ( > 1 min )
14
Codeshares
0
Average Delay (min.)
49.57142857142857
Standard Deviation
59.1
Min
0
Max
188

AS 491 On-Time Performance Details

Overall Rating
0.8 of 5
Poor
Percentage On-Time 70%
Average Delay Time 49.57142857142857 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.8 shows that this flight has on-time performance characteristics better than 14% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
Poor
Percentage On-Time 70%
This flight has an on-time performance of 70%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.
Delay Performance
0.6 of 5
Poor
Average Delay Time 49.57142857142857 min
This flight has an average delay of 49.57142857142857 minutes with a standard deviation of 59.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 12% of other flights.

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