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(AS) Alaska Airlines 4040 On-Time Performance Rating

Date Range:

01-Jun-2026 to 31-Jul-2026

(TYS) Knoxville McGhee Tyson Airport

Knoxville, TN, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
52%
Late
2
6%
Very Late
1
3%
Excessive
10
30%
Cancelled
2
6%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
32
Total Delays ( > 1 min )
17
Codeshares
32
Average Delay (min.)
49.23529411764706
Standard Deviation
33.9
Min
0
Max
105

AS 4040 On-Time Performance Details

Overall Rating
0.6 of 5
Poor
Percentage On-Time 53%
Average Delay Time 49.23529411764706 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.6 shows that this flight has on-time performance characteristics better than 10% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 53%
This flight has an on-time performance of 53%. 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
1.1 of 5
Poor
Average Delay Time 49.23529411764706 min
This flight has an average delay of 49.23529411764706 minutes with a standard deviation of 33.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.