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(AS) Alaska Airlines 6597 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
11
65%
Late
2
12%
Very Late
0
0%
Excessive
3
18%
Cancelled
1
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
17
Total Delays ( > 1 min )
7
Codeshares
17
Average Delay (min.)
47.857142857142854
Standard Deviation
45.8
Min
0
Max
120

AS 6597 On-Time Performance Details

Overall Rating
0.9 of 5
Poor
Percentage On-Time 65%
Average Delay Time 47.857142857142854 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9 shows that this flight has on-time performance characteristics better than 16% of all other flights in the FlightStats database.
On-Time Performance Rating
0.5 of 5
Very Poor
Percentage On-Time 65%
This flight has an on-time performance of 65%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 10% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 47.857142857142854 min
This flight has an average delay of 47.857142857142854 minutes with a standard deviation of 45.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.

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