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(AS) Alaska Airlines 6439 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(TUS) Tucson International Airport

Tucson, AZ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
7
78%
Late
2
22%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
9
Total Delays ( > 1 min )
3
Codeshares
9
Average Delay (min.)
12.666666666666666
Standard Deviation
10.1
Min
0
Max
19

AS 6439 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 78%
Average Delay Time 12.666666666666666 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 64% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 58% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 12.666666666666666 min
This flight has an average delay of 12.666666666666666 minutes with a standard deviation of 10.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.

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