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(AS) Alaska Airlines 6439 On-Time Performance Rating

Date Range:

01-Dec-2025 to 31-Jan-2026

(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
25
83%
Late
2
7%
Very Late
0
0%
Excessive
3
10%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
30
Total Delays ( > 1 min )
10
Codeshares
30
Average Delay (min.)
23.2
Standard Deviation
27.6
Min
0
Max
73

AS 6439 On-Time Performance Details

Overall Rating
4.1 of 5
Good
Percentage On-Time 83%
Average Delay Time 23.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.1 shows that this flight has on-time performance characteristics better than 81% of all other flights in the FlightStats database.
On-Time Performance Rating
4.4 of 5
Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 88% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 23.2 min
This flight has an average delay of 23.2 minutes with a standard deviation of 27.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.

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