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(AS) Alaska Airlines 4721 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(MIA) Miami International Airport

Miami, FL, US

(PHX) Phoenix Sky Harbor International Airport

Phoenix, AZ, US

On-Time Performance Chart

(using rounded numbers)
On-Time
18
75%
Late
3
13%
Very Late
1
4%
Excessive
2
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
24
Total Delays ( > 1 min )
9
Codeshares
24
Average Delay (min.)
33.333333333333336
Standard Deviation
38.5
Min
0
Max
129

AS 4721 On-Time Performance Details

Overall Rating
2.4 of 5
Average
Percentage On-Time 75%
Average Delay Time 33.333333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.4 shows that this flight has on-time performance characteristics better than 47% of all other flights in the FlightStats database.
On-Time Performance Rating
2.5 of 5
Average
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 50% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 33.333333333333336 min
This flight has an average delay of 33.333333333333336 minutes with a standard deviation of 38.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.