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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

(GJT) Grand Junction Regional Airport

Grand Junction, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
9
56%
Late
2
13%
Very Late
1
6%
Excessive
4
25%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
16
Total Delays ( > 1 min )
8
Codeshares
16
Average Delay (min.)
53.375
Standard Deviation
48.2
Min
0
Max
143

AS 6439 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 56%
Average Delay Time 53.375 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 7% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 56%
This flight has an on-time performance of 56%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 3% of other flights.
Delay Performance
0.7 of 5
Poor
Average Delay Time 53.375 min
This flight has an average delay of 53.375 minutes with a standard deviation of 48.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.

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