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(AS) Alaska Airlines 4288 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-2026

(BOI) Boise Air Terminal

Boise, ID, US

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
50
88%
Late
1
2%
Very Late
2
4%
Excessive
3
5%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
16
Codeshares
56
Average Delay (min.)
65.25
Standard Deviation
140.2
Min
0
Max
526

AS 4288 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 89%
Average Delay Time 65.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 50% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 65.25 min
This flight has an average delay of 65.25 minutes with a standard deviation of 140.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 2% of other flights.