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(AS) Alaska Airlines 4437 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

(RDU) Raleigh-Durham International Airport

Raleigh/Durham, NC, US

On-Time Performance Chart

(using rounded numbers)
On-Time
48
79%
Late
1
2%
Very Late
4
7%
Excessive
4
7%
Cancelled
3
5%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
20
Codeshares
60
Average Delay (min.)
31.25
Standard Deviation
40.3
Min
0
Max
164

AS 4437 On-Time Performance Details

Overall Rating
3.5 of 5
Average
Percentage On-Time 80%
Average Delay Time 31.25 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.5 shows that this flight has on-time performance characteristics better than 69% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 31.25 min
This flight has an average delay of 31.25 minutes with a standard deviation of 40.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.