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(AS) Alaska Airlines 6521 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(ALB) Albany International Airport

Albany, NY, US

On-Time Performance Chart

(using rounded numbers)
On-Time
34
74%
Late
4
9%
Very Late
3
7%
Excessive
5
11%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
46
Total Delays ( > 1 min )
17
Codeshares
46
Average Delay (min.)
39.64705882352941
Standard Deviation
40.1
Min
0
Max
165

AS 6521 On-Time Performance Details

Overall Rating
1.6 of 5
Average
Percentage On-Time 74%
Average Delay Time 39.64705882352941 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.6 shows that this flight has on-time performance characteristics better than 30% of all other flights in the FlightStats database.
On-Time Performance Rating
1.7 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 34% of other flights.
Delay Performance
1.4 of 5
Poor
Average Delay Time 39.64705882352941 min
This flight has an average delay of 39.64705882352941 minutes with a standard deviation of 40.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 27% of other flights.

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